Frank Macetta (Papa Angelo)
Sean Connery (Duke Anderson)
Dyan Cannon (Ingrid Everleigh)
Martin Balsam (Haskins)
Alan King (Pat Angelo)
Ralph Meeker (Capt. Delaney)
Paula Trueman (Nurse)
Tom Signorelli (Sync Man)
Max Showalter (Mr. Bingham)
Richard B. Shull (Werner Gottileb)
Norman Rose (Mr. Longene)
Janet Ward (Mrs. Bingham)
Dick Anthony Williams (Spencer)
Jack Doroshow (Eric)
John Braden (Vanessi)
Michael Miller (1st Agent)
Ralph Stantley (D'Medico)
Dick Williams (Spencer)
Michael Prince (Johnson)
Meg Myles (Mrs. Longene)
Garrett Morris (Everson)
Robert Dagny (Doctor)
Reid Cruickshanks (Judge)
Sam Coppola (Private Detective)
Carmine Caridi (Detective A)
John Call (O'Leary)
Hildy Brooks (Receptionist)
Paul Benjamin (Jimmy)
Conrad Bain (Dr. Rubicoff)
Bradford English (TV Watcher)
Michael Fairman (Sgt. Claire)
Helen Martin (Actor/Actress)
Judith Lowry (Mrs. Hathaway)
Joseph Leon (Actor/Actress)
Scott Jacoby (Jerry Bingham)
Anthony Holland (Psychologist)
Margaret Hamilton (Miss Kaler)
Stanley Gottlieb (Pop)
Val Avery (Socks Parelli)
Christopher Walken (The Kid)