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

Francesca De Sapio

Lina, Rome Prostitute

John Carradine

Judge (voice) (uncredited)

Minta Durfee

Elevator Lady #1 (uncredited)

John P. Dulaney

Background (uncredited)