

Cast & creator
Best known for The Tonight Show Starring Johnny Carson, Law & Order, Saturday Night Live
John Spencer (December 20, 1946 – December 16, 2005) was an American actor. He first gained recognition for his captivating performances on Broadway, particularly in The Great White Hope (1969). Spencer transitioned to film, showcasing his versatility in movies like The Rock (1996) and The Negotiator (1998). On television, Spencer had one of his first on-screen roles in The Patty Duke Show, and later became known as a main cast member on L.A. Law starting in its fifth season. His portrayal of White House Chief of Staff Leo McGarry on The West Wing (1999-2006) brought widespread acclaim, earning him five Emmy Award nominations, including a win in 2002. Spencer passed away on December 16, 2005, at the age of 58.
Also known as: John Speshock Jr.
31
film credits
22
television credits
53
1944–2004 · acting roles
6.7
average across scored titles
Signature credits
Across film & television
Showing 53 of 53 credits

Self
1962
Howard Morton
1990
Self (uncredited)
1975
Self
1997
Leo McGarry
1999
Col. Wallis Thurman
1995
Self
2003
Self - Nominee
1944
Leo
1994
Tommy Mullaney
1986
Self - Presenter
1956
Lt. Lee Atkins
1984
Mr. Gadget
1993
Howard Banner
1996
Agent Dennehy (voice)
1994
Carl Scofeld
1996
Henry
1963
Joe Moran
1985
Edmund Church
1998
Chief Al Travis
1998
FBI Director James Womack
1996
Leo Crasky
1997
Jerry
1983
Detective Dan Lipranzer
1990
Oliver
1989
Lieutenant
1989
Ko's Pilot
1985
Self
2003
General Slauson
1999

Simon McCallister
1998
Harry
1990
Capt. Phil Egan
1998
Jack
1995
Jack
1997
Det. Vincent Cusack
1992
George Sally
1988
Joey Crawford
1983
Det. Mike Mulick
1992
Bill Gunter
1998
Al Rhinehart
1994
TV Preacher
1989
Bakey
1987
Uncle Mike
1997
Himself
2004
Walter Wheeler
1992Major Potter
1979
Record Executive
1985
Ray Davioni
1997
Ed
1997
Stephen
1982
Det. Phil Sullivan
1989
Bobby Lupino
1987