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)

Walter Clinton

Mr. Zelenko (uncredited)

Robert Cole

Actor in Play (uncredited)

Patricia Denise

Karen (uncredited)

Lester Dorr

Elevator Operator (uncredited)

Dan Dowling

First-Nighter (uncredited)

Shelley Fabares

Seth's Friend (uncredited)

Eddie Foster

Carlos (uncredited)

Gail Ganley

Wally's Friend (uncredited)

Stuart Hall

First-Nighter (uncredited)

Elizabeth Harrower

Miss Kimble (uncredited)

Mike Lally

First-Nighter (uncredited)

Carl M. Leviness

Party Guest (uncredited)

Robert Locke Lorraine

First-Nighter (uncredited)

Faye Michael Nuell

Helen Harris (uncredited)

John Pedrini

Restaurant Patron (uncredited)

Murray Pollack

First-Nighter (uncredited)

José Portugal

Wedding Guest (uncredited)

Paul Power

Restaurant Patron (uncredited)

Fred Rapport

Nate (uncredited)

Guy Raymond

Mr. Klabber (uncredited)

Paul Russell

First-Nighter (uncredited)

Bernard Sell

First-Nighter (uncredited)

Maida Severn

Tonia Zelenko (uncredited)

Harry Seymour

Frank (uncredited)

Reginald Sheffield

Hotel Desk Clerk (uncredited)

Charles Sherlock

First-Nighter (uncredited)

Carl Sklover

Leon Lamm (uncredited)

Robert Strong

Party Guest (uncredited)

Jean Vachon

Mary Lamm (uncredited)

Pierre Watkin

Civil Official (uncredited)

James Westmoreland

Actor in Play (uncredited)