Alexander Portnoy

Richard Benjamin

Mary Jane Reid

Karen Black

Sophie Portnoy

Lee Grant

Jack Portnoy

Jack Somack

Bubbles Girardi

Jeannie Berlin

Hannah Portnoy

Renée Lippin

Naomi

Jill Clayburgh

Smolka

Kevin Conway

Dr. Otto Spielvogel

D.P. Barnes

Lina

Francesca De Sapio

Mandel (as Lewis Stadlen)

Lewis J. Stadlen

Opening Girl

Jessica Rains

Judge

John Carradine

Clerk at Inn

William Pabst

Woman in Hospital Bed

Eleanor Zee

Cab Driver

Tony Brande

Alexander (age 8)

Darryl Seamen

Mr. Harero

Mike De Anda

Elevator Lady #2 (uncredited)

Arline Bletcher

Mrs. Harero

Carmen Zapata

Elevator Lady #1 (uncredited)

Minta Durfee

Background (uncredited)

John P. Dulaney