Tony Lo Bianco as Peter J. Nicholas

Deborah Raffin as Casey Forster

Sandy Dennis as Martha Nicholas

Sylvia Sidney as Elizabeth Mullin

Sam Levene as Everett Lukas

Robert Drivas as David Morten

Mike Kellin as Deputy Commissioner

Richard Lynch as Bernard Phillips

Sammy Williams as Harold Gorman

Jo Flores Chase as Mrs. Gorman

William Roerick as Richards

Lester Rawlins as Board Chairman

Harry Bellaver as Cookie

George Patterson as Zero

Walter Steele as Junkie

John Heffernan as Bramwell

Alan Cauldwell as Bramwell as a Youth

Robert Nichols as Fletcher

Andy Kaufman as Police Assassin

Al Fann as Detective Squad

James Dixon as Detective Squad

Bobby Ramsen as Detective Squad

Peter Hock as Detective Squad

Alex Stevens as Detective Squad

Harry Madsen as Detective Squad

Randy Jurgensen as Detective Squad

Sherry Steiner as Mrs. Phillips as a Girl

James Dukas as Doorman

Mason Adams as Obstetrician

William Bressant as Police Officer

Armand Dahan as Fruit Vendor

Vida Taylor as Miss Mullin as a Girl

Adrian James as Prostitute

Lelia Martin as Nurse Jackson (as Leila Martin)

Michael Pendry as Attendant

Dan Resin as Wall Street Executive

Sandro Mancori as Wall Street Executive (as Alexander Clark)

Marvin Silbisher as Wall Street Executive

Harry Eno as Medical Examiner