Gene Hackman
Harry Caul
Acting
John Cazale
Stan
Acting
Allen Garfield
William P. 'Bernie' Moran
Acting
Frederic Forrest
Mark
Acting
Cindy Williams
Ann
Acting
Michael Higgins
Paul
Acting
Elizabeth MacRae
Meredith
Acting
Teri Garr
Amy Fredericks
Acting
Harrison Ford
Martin Stett
Acting
Mark Wheeler
Receptionist
Acting
Robert Shields
The Mime
Acting
Phoebe Alexander
Lurleen
Acting
Ramon Bieri
Man at Party (uncredited)
Acting
Gian-Carlo Coppola
Boy in Church (uncredited)
Acting
Robert Duvall
The Director (uncredited)
Acting
Richard Hackman
Confessional Priest / Security Guard (uncredited)
Acting
Billy Dee Williams
Man in Yellow Hat (uncredited)
Acting