Cristina Raines as Alison Parker

Chris Sarandon as Michael Lerman

Martin Balsam as Prof. Ruzinsky

John Carradine as Fr. Francis Matthew Halloran

José Ferrer as Priest of the Brotherhood

Ava Gardner as Helen Logan

Arthur Kennedy as Monsignor Franchino

Burgess Meredith as Charles Chazen

Sylvia Miles as Gerde Engstrom

Deborah Raffin as Jennifer

Eli Wallach as Detective Gatz

Christopher Walken as Det. Rizzo

Jerry Orbach as Michael Dayton

Beverly D'Angelo as Sandra

Gary Allen as Malcolm Stinnett

Tresa Hughes as Rebecca Stinnett

Kate Harrington as Anna Clark

Jane Hoffman as Lillian Clotkin

Elaine Shore as Emma Clotkin

Hank Garrett as James Brenner

William Hickey as Perry

Jeff Goldblum as Jack

Nana Visitor as Girl at End (as Nana Tucker)

Tom Berenger as Man at End

Richard Dreyfuss as Man on Sidewalk Talking to Girl in Red Sweater (uncredited)

Robert Gerringer as Hart

Diane Stilwell as Brenner's Secretary

Charles Kimbrough as Doctor

Billie Perkins as Street Girl (uncredited)

John Getz as Film Crew (uncredited)