Michael Moriarty as Jimmy Quinn

Candy Clark as Joan

David Carradine as Shepard

Richard Roundtree as Powell

James Dixon as Lt. Murray

Malachy McCourt as Commissioner

Fred J. Scollay as Capt. Fletcher

Peter Hock as Det. Clifford

Ron Cey as Det. Hoberman

Mary Louise Weller as Mrs. Pauley

Bruce Carradine as The Victim

John Capodice as Doyle

Tony Page as Webb

Larkin Ford as Curator

Larry Pine as The Professor

Eddie Jones as The Watchman

Shelly Desai as Kahsa

Lee Louis as Officer Banyon

Fred Morsell as First Robber

Ed Kovens as Second Robber

Richard Duggan as Construction Worker

Jennifer Howard as Newscaster

David Snell as Attorney

Larry Silvestri as Policeman

Perry Genovese as Policeman

Gabriel Wohl as Policeman

Nancy Stafford as Eyewitness

Bobbie Burns as Sunbather

Linda Gilbert as Shepard's Wife (uncredited)