Elliott Gould
Philip Marlowe

Nina van Pallandt
Eileen Wade

Sterling Hayden
Roger Wade

Mark Rydell
Marty Augustine

Henry Gibson
Dr. Verringer

David Arkin
Harry

Jim Bouton
Terry Lennox

Warren Berlinger
Morgan

Jack Knight
Mabel

Pancho Córdova
Doctor

Enrique Lucero
Jeffe

Rutanya Alda
Rutanya Sweet

Jack Riley
Riley

Ken Sansom
Colony Guard

Jerry Jones
Detective Green

Robert Altman
Ambulance Driver (uncredited)

David Carradine
Dave aka Socrates (uncredited)

Carl Gottlieb
Wade Party Guest (uncredited)

George Wyner
Cop at Beach (uncredited)

Leslie McRay
Lucille (uncredited)

Arnold Schwarzenegger
Hood in Augustine's Office (uncredited)