
William Devane
Biography
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.
Also Known As
Movie Appearances

The Badge
as The Judge
2002

Payback
as Carter
1999

Marathon Man
as Janeway
1976

Space Cowboys
as Eugene Davis
2000

Rolling Thunder
as Major Charles Rane
1977

Yanks
as John
1979

Family Plot
as Arthur Adamson
1976

A Christmas Visitor
as George Boyajian
2002

Stargate: Continuum
as President Henry Hayes
2008

McCabe & Mrs. Miller
as Lawyer
1971

Report to the Commissioner
as Asst. D.A. Jackson
1975

Monte Walsh
as Cal Brennan
2003

The Kane Files: Life of Trial
as Thompson
2010

Poor White Trash
as Ron Lake
2000

Night Watch
as Nick Caldwell
1995

Murder C.O.D.
as Alex Brandt
1990

Vital Signs
as Dr. Chatham
1990
The Least Among You
as Alan Beckett
2009

The Bad News Bears in Breaking Training
as Mike Leak
1977

Timestalkers
as Scott McKenzie
1987
TV Appearances

Crumbs
as Billy Crumb
2006

Knots Landing
as Greg Sumner
1979

The Michael Richards Show
as Brady McKay
2000

Phenom
as Lou Della Rosa
1993

Gunsmoke
as Moss Stratton
1955

The X-Files
as General Mark Suveg
1993

NCIS
as Nicolas Mason
2003

Stargate SG-1
as President Hayes
1997

The Monroes
1995

Turks
as Sergeant Joseph Turk
1999

Knots Landing: Back to the Cul-de-Sac
as Greg Sumner
1997

24
as James Heller
2001