Castle First Look: A Firefly Reunion!

By Vlada Gelman

NATHAN FILLION, ADAM BALDWIN

NATHAN FILLION, ADAM BALDWIN CASTLE - "Headhunters" - With tensions rising between Castle and Beckett, Castle finds himself a new partner -- Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before, on "Castle," MONDAY, APRIL 16 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/RON TOM) NATHAN FILLION, ADAM BALDWIN

CASTLE – "Headhunters" – With tensions rising between Castle and Beckett, Castle finds himself a new partner — Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before, on "Castle," MONDAY, APRIL 16 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/RON TOM)
NATHAN FILLION, ADAM BALDWIN

NATHAN FILLION, JAN JANSSEN, ADAM BALDWIN

NATHAN FILLION, JAN JANSSEN, ADAM BALDWIN CASTLE - "Headhunters" - With tensions rising between Castle and Beckett, Castle finds himself a new partner -- Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before, on "Castle," MONDAY, APRIL 16 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/RON TOM) NATHAN FILLION, JAN JANSSEN, ADAM BALDWIN

CASTLE – "Headhunters" – With tensions rising between Castle and Beckett, Castle finds himself a new partner — Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before, on "Castle," MONDAY, APRIL 16 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/RON TOM)
NATHAN FILLION, JAN JANSSEN, ADAM BALDWIN

ADAM BALDWIN, NATHAN FILLION

ADAM BALDWIN, NATHAN FILLION CASTLE - "Headhunters" - With tensions rising between Castle and Beckett, Castle finds himself a new partner -- Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before, on "Castle," MONDAY, APRIL 16 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/RON TOM) ADAM BALDWIN, NATHAN FILLION

CASTLE – "Headhunters" – With tensions rising between Castle and Beckett, Castle finds himself a new partner — Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before, on "Castle," MONDAY, APRIL 16 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/RON TOM)
ADAM BALDWIN, NATHAN FILLION

ADAM BALDWIN, STEFAN NIEMCZYK

ADAM BALDWIN, STEFAN NIEMCZYK CASTLE - "Headhunters" - With tensions rising between Castle and Beckett, Castle finds himself a new partner -- Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before, on "Castle," MONDAY, APRIL 16 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/RANDY HOLMES) ADAM BALDWIN, STEFAN NIEMCZYK

CASTLE – "Headhunters" – With tensions rising between Castle and Beckett, Castle finds himself a new partner — Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before, on "Castle," MONDAY, APRIL 16 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/RANDY HOLMES)
ADAM BALDWIN, STEFAN NIEMCZYK

NATHAN FILLION, ADAM BALDWIN, STEFAN NIEMCZYK

NATHAN FILLION, ADAM BALDWIN, STEFAN NIEMCZYK CASTLE - "Headhunters" - With tensions rising between Castle and Beckett, Castle finds himself a new partner -- Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before, on "Castle," MONDAY, APRIL 16 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/RANDY HOLMES) NATHAN FILLION, ADAM BALDWIN, STEFAN NIEMCZYK

CASTLE – "Headhunters" – With tensions rising between Castle and Beckett, Castle finds himself a new partner — Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before, on "Castle," MONDAY, APRIL 16 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/RANDY HOLMES)
NATHAN FILLION, ADAM BALDWIN, STEFAN NIEMCZYK

NATHAN FILLION, STEFAN NIEMCZYK, ADAM BALDWIN

NATHAN FILLION, STEFAN NIEMCZYK, ADAM BALDWIN CASTLE - "Headhunters" - With tensions rising between Castle and Beckett, Castle finds himself a new partner -- Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before, on "Castle," MONDAY, APRIL 16 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/RANDY HOLMES) NATHAN FILLION, STEFAN NIEMCZYK, ADAM BALDWIN

CASTLE – "Headhunters" – With tensions rising between Castle and Beckett, Castle finds himself a new partner — Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before, on "Castle," MONDAY, APRIL 16 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/RANDY HOLMES)
NATHAN FILLION, STEFAN NIEMCZYK, ADAM BALDWIN

ADAM BALDWIN

ADAM BALDWIN CASTLE - "Headhunters" - With tensions rising between Castle and Beckett, Castle finds himself a new partner -- Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before, on "Castle," MONDAY, APRIL 16 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/RANDY HOLMES) ADAM BALDWIN

CASTLE – "Headhunters" – With tensions rising between Castle and Beckett, Castle finds himself a new partner — Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before, on "Castle," MONDAY, APRIL 16 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/RANDY HOLMES)
ADAM BALDWIN

CHRISTOPHER RIVERA, NATHAN FILLION, ADAM BALDWIN

CHRISTOPHER RIVERA, NATHAN FILLION, ADAM BALDWIN CASTLE - "Headhunters" - With tensions rising between Castle and Beckett, Castle finds himself a new partner -- Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before, on "Castle," MONDAY, APRIL 16 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/RANDY HOLMES) CHRISTOPHER RIVERA, NATHAN FILLION, ADAM BALDWIN

CASTLE – "Headhunters" – With tensions rising between Castle and Beckett, Castle finds himself a new partner — Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before, on "Castle," MONDAY, APRIL 16 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/RANDY HOLMES)
CHRISTOPHER RIVERA, NATHAN FILLION, ADAM BALDWIN

NATHAN FILLION, ADAM BALDWIN, CHRISTOPHER RIVERA

NATHAN FILLION, ADAM BALDWIN, CHRISTOPHER RIVERA CASTLE - "Headhunters" - With tensions rising between Castle and Beckett, Castle finds himself a new partner -- Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before, on "Castle," MONDAY, APRIL 16 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/RANDY HOLMES) NATHAN FILLION, ADAM BALDWIN, CHRISTOPHER RIVERA

CASTLE – "Headhunters" – With tensions rising between Castle and Beckett, Castle finds himself a new partner — Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before, on "Castle," MONDAY, APRIL 16 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/RANDY HOLMES)
NATHAN FILLION, ADAM BALDWIN, CHRISTOPHER RIVERA

ADAM BALDWIN, CHRISTOPHER RIVERA

ADAM BALDWIN, CHRISTOPHER RIVERA CASTLE - "Headhunters" - With tensions rising between Castle and Beckett, Castle finds himself a new partner -- Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before, on "Castle," MONDAY, APRIL 16 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/RANDY HOLMES) ADAM BALDWIN, CHRISTOPHER RIVERA

CASTLE – "Headhunters" – With tensions rising between Castle and Beckett, Castle finds himself a new partner — Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before, on "Castle," MONDAY, APRIL 16 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/RANDY HOLMES)
ADAM BALDWIN, CHRISTOPHER RIVERA

ADAM BALDWIN

ADAM BALDWIN CASTLE - "Headhunters" - With tensions rising between Castle and Beckett, Castle finds himself a new partner -- Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before, on "Castle," MONDAY, APRIL 16 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/RANDY HOLMES) ADAM BALDWIN

CASTLE – "Headhunters" – With tensions rising between Castle and Beckett, Castle finds himself a new partner — Detective Ethan Slaughter (guest star Adam Baldwin, "Firefly"), a tough and colorful cop from the city's gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before, on "Castle," MONDAY, APRIL 16 (10:01-11:00 p.m., ET), on the ABC Television Network. (ABC/RANDY HOLMES)
ADAM BALDWIN

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