
Albany, New York, USA
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.

as President Hayes

as Nicolas Mason
2003

as Self
1962

as President Hayes
1997

as James Heller
2001

as General Mark Suveg
1993

as Williams
2014

as Peters
2006

as Lewis Berryhill
1999

as Greg Sumner
1979

as Al Kordic
1967

as Al Capone
1993

as Benjamin Parker
1994
as Williams
2014

as Dr. Dix
2015

as Gen. Hodges (voice) (uncredited)
2015

as Williams
2014

as Big Red
2014

as Leonard Doc Blach
2014

as President
2012

as Dr. Dix
2012

as Pop O'Hara
2012

as Everett Morgan Gray
2011

as Jake
2011

as Dr. Dix
2011

as Thompson
2010

as Dr. Dix
2010

as Dutch Hines
2010
as judge Stanley Seeban
2009

as Dr. Dix
2009
as Alan Beckett
2009
as Frank Carson
2009

as President Henry Hayes
2008

as Dr. Dix
2007

as Dr. Dix
2006

as Grove McCarthy
2004

as Cal Brennan
2003

as George Boyajian
2002
as President Hayes
3 ep.

as Nicolas Mason
1 episodes

as Self
4 episodes

as President Hayes
3 episodes

as James Heller
32 episodes

as General Mark Suveg
1 episodes

as Peters
1 episodes

as Lewis Berryhill
2 episodes

as Greg Sumner
269 episodes

as Al Kordic
1 episodes

as Al Capone
1 episodes

as Benjamin Parker
1 episodes

as Edward Grayson
2 episodes

as Bernie Hobson
5 episodes

as Dr. Ray Waltham
1 episodes

as Moss Stratton
1 episodes

as Whitney Vance
4 episodes
as Self
1 episodes

as Michael Davis
6 episodes

as Dean Sanderson Sr.
22 episodes

as William Devane
1 episodes

as Walter
1 episodes

as Brady McKay
9 episodes

as David Prine
1 episodes

as Billy Crumb
13 episodes
Additional Dialogue