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)