John Joseph Dullaghan III (November 27, 1930 – January 18, 2009) was an American film, stage and television actor. He was known for playing the role of Dr. Wilker in the American science fiction television series Battlestar Galactica.
Dullaghan was born in Brooklyn, New York. He guest-starred in television programs including Gunsmoke, The Rockford Files, Barnaby Jones, B. J. and the Bear (9 episodes), Night Court, The King of Queens and Cannon, and played the recurring role of Ray Brewer in Barney Miller.
His film appearances included Garden of the Dead, Kalifornia, The Thing with Two Heads, Apollo 13 and Sweet Sweetback's Baadasssss Song. On stage he appeared in repertory theatre as Pablo in the play Get To the Heart.
Dullaghan died in January 2009 of lung cancer in Los Angeles, California, at the age of 78. His body was cremated.
1998
as Bartender
1995
as Reporter
1993
as Mr. Musgrave
1991
as Player
1990
as Businessman
1988
as Attorney
1984
as Man in Courtroom
1984
as Surgeon
1984
as Mr. Tuttle
1978
as Dr. Wilker
1975
as Second A.D.
1975
as Harold Durrell
1975
as Milt Loftus
1975
as Ray Brewer
1975
as Sylvester White
1975
as Jackson the Pickpocket
1974
as Agent Todd Alcott
1973
as Farrell
1972
as George Harris
1972
as Sgt. Burns
1972
as Thomas
1972
as Green Mask Party Guest
1972
as Mousie
1971
as Professor Collins
1971
as Commissioner
1971
as Dr. Leon Flanders
1971
as Lawyer
1971
as Voice Overs (voice) (uncredited)
1971
as (as John Dunn)
1971
as John
1971
as Lenny (voice)
1971
as Max (uncredited)
1970
as Harry
1970
as Harry Anderson
1970
as Wild Willie
1970
as Professor Collins
1970
as Rod Rammer
1970
as Clien of Toni
1970
as Doctor
1970
as Donald (uncredited)
1955
as (uncredited)
1955
as Priest (uncredited)
1955
as Bank Teller