Warren Beatty

Vincent Bruce

Jean Seberg

Lilith Arthur

Peter Fonda

Stephen Evshevsky

Kim Hunter

Dr. Bea Brice

Anne Meacham

Mrs. Yvonne Meaghan

Jessica Walter

Laura

Gene Hackman

Norman

James Patterson

Dr. Lavrier

Robert Reilly

Bob Clayfield

René Auberjonois

Howie (uncredited)

Jeanne Barr

Miss Glassman (uncredited)

Maurice Brenner

Mr. Gordon (uncredited)

Ben Carruthers

Benito (uncredited)

Olympia Dukakis

Patient (uncredited)

Edith Fellows

Patient (uncredited)

Robert Rossen