Richard Benjamin
Alexander Portnoy
Karen Black
Mary Jane Reid a.k.a. Monkey
Lee Grant
Sophie Portnoy
Jack Somack
Jack Portnoy
Renée Lippin
Hannah Portnoy
Jeannie Berlin
Bubbles Girardi
Kevin Conway
Smolka
Lewis J. Stadlen
Mandel (as Lewis Stadlen)
Jill Clayburgh
Naomi
Jessica Rains
Opening Girl
Francesca De Sapio
Lina, Rome Prostitute
William Pabst
Clerk at Inn
Eleanor Zee
Woman in Hospital Bed
Tony Brande
Cab Driver
D.P. Barnes
Dr. Spielvogel
John Carradine
Judge (voice) (uncredited)
Arline Bletcher
Elevator Lady #2 (uncredited)
Minta Durfee
Elevator Lady #1 (uncredited)
Mike De Anda
Mr. Harero (uncredited)
John P. Dulaney
Background (uncredited)
Burt Richards
Street Vendor (uncredited)
Darryl Seamen
Alexander, Age 8 (uncredited)
Yaffa Sharir
Stewardess (uncredited)
Carmen Zapata
Mrs. Harero (uncredited)
Ernest Lehman
Screenplay
Ernest Lehman
Director
Philip H. Lathrop
Director of Photography
Michel Legrand
Original Music Composer
Michael D. Moore
Assistant Director
Wally Jones
Assistant Director
Frank L. Brown
Set Dresser
Donna Garrett
Stunts
Wayne Fitzgerald
Title Designer
Jim Danforth
Visual Effects
Bill Johnson
Camera Operator
Bruce Wright
Sound
Gordon Scott
Editor
Sam O'Steen
Editor
Philip Roth
Novel
Ernest Lehman
Producer
Robert F. Boyle
Production Design
Kaye Pownall
Hairstylist
Moss Mabry
Costume Design
Charles H. Schram
Makeup Artist
George R. Nelson
Set Decoration
Sidney Beckerman
Producer