
William Joseph Devane (born September 5, 1937) is an American film, television and theater actor, known for his role as Greg Sumner on the primetime soap opera Knots Landing and as James Heller on the Fox serial drama 24, the role he reprised in Live Another Day. He is also known for his supporting roles in films such as McCabe & Mrs. Miller, Family Plot), Marathon Man, Rolling Thunder and Space Cowboys. Devane began his acting career with the New York Shakespeare Festival where he performed in 15 plays. In 1966, Devane portrayed Robert F. Kennedy in the Off-Broadway spoof MacBird. He gained acclaim for his role as President John F. Kennedy in a television docudrama about the Cuban Missile Crisis, The Missiles of October, and again when he played blacklisted radio personality John Henry Faulk in the Emmy Award-winning TV movie Fear on Trial. He is widely known for his ten years as the ambitious and hardnosed politician-turned-corporate titan Greg Sumner on Knots Landing. In 1994, Devane appeared as Al Capone in Lois & Clark: The New Adventures of Superman in an episode entitled "That Old Gang of Mine". He also had a recurring role on the CBS show Early Edition as the lead character's father. Devane appeared in the films McCabe & Mrs. Miller; Lady Liberty; Family Plot; Marathon Man; Rolling Thunder; Yanks; Testament; Timestalkers; Forgotten Sins; Exception to the Rule; Payback; Hollow Man and Space Cowboys. Devane has played members of the Presidential Cabinet on two evening dramas. In 2004, on The West Wing, he guest-starred as the Secretary of State and potential Vice-Presidential nominee. Devane appeared in several scenes with Martin Sheen; they also appeared together as President John F. Kennedy and his brother Robert, respectively, 30 years earlier in The Missiles of October. In 2005, he joined the cast of 24 as Secretary of Defense James Heller for seasons 4, 5 and 6.
Bosch: Legacy
2022
Truth
2015
The Grinder
2015
Interstellar
2014
Bad Turn Worse
2014
50 to 1
2014
Revenge
2011
The River Why
2010
The Fall
2009
Psych
2006
What About Brian
2006
Crumbs
2006
Deceit
2004
NCIS
2003
Monte Walsh
2003
The Badge
2002
24
2001
Race to Space
2001
Poor White Trash
2000
Space Cowboys
2000
Hollow Man
2000
The West Wing
1999
Payback
1999
Turks
1999
Stargate SG-1
1997
Rogues Gallery
1997
Early Edition
1996
Forgotten Sins
1996
Night Watch
1995
The Monroes
1995
Virus
1995
Hope and Gloria
1995
Lady in Waiting
1994
Rubdown
1993
Phenom
1993
The X-Files
1993
Obsessed
1992
Victim of Beauty
1991
Murder C.O.D.
1990
Vital Signs
1990
Timestalkers
1987
Testament
1983
Jane Doe
1983
The Other Victim
1981
Knots Landing
1979
Yanks
1979
The Dark
1979
Black Beauty
1978
Rolling Thunder
1977
Red Alert
1977
Marathon Man
1976
Family Plot
1976
Fear on Trial
1975
The Bait
1973
Crime Club
1973
Lady Liberty
1971
Medical Center
1969
Mannix
1967
In the Country
1967
Gunsmoke
1955














































































































