Marjorie Morningstar

Gene Kelly

Noel Airman

Natalie Wood

Marjorie Morgenstern

Claire Trevor

Rose Morgenstern

Everett Sloane

Arnold Morgenstern

Martin Milner

Wally Wronkin

Carolyn Jones

Marsha Zelenko

George Tobias

Maxwell Greech

Martin Balsam

Dr. David Harris

Jesse White

Lou Michaelson

Edd Byrnes

Sandy Lamm

Paul Picerni

Philip Berman

Alan Reed

Puddles Podell

Ruta Lee

Imogene Norman

Ed Wynn

Uncle Samson

Beverly Aadland

Dancer (uncredited)

Russell Ash

Harry Morgenstern (uncredited)

Howard Bert

Seth Morgenstern (uncredited)

Leslie Bradley

Blair (uncredited)

Peter Brown

Alec (uncredited)

Boyd Cabeen

Wedding Guest (uncredited)