Big

Tom Hanks

Joshua "Josh" Baskin

Elizabeth Perkins

Susan

Robert Loggia

MacMillan

John Heard

Paul

Jared Rushton

Billy

David Moscow

Young Josh

Jon Lovitz

Scotty Brennen

Mercedes Ruehl

Mrs. Baskin

Josh Clark

Mr. Baskin

Allan Wasserman

Gym Teacher

Kimberlee M. Davis

Cynthia Benson

Oliver Block

Freddie Benson

Erika Katz

Cynthia's Friend

Mark Ballou

Derek

Gary Klar

Ticket Taker

Alec Von Sommer

First Brother

Chris Dowden

Second Brother

Paul Herman

Schizo

John Rothman

Phil

Rockets Redglare

Motel Clerk

Jaime Tirelli

Spanish Voice (voix)

Nancy Giles

Administrative Woman

Jordan Thaler

Administrative Clerk

Dana Kaminski

Personnel Receptionist

Harvey Miller

Personnel Director

Tracy Reiner

Test Market Researcher

James Eckhouse

Supervisor

Linda Gillen

Woman in Red Dress

Mildred R. Vandever

Receptionist

Bert Goldstein

First Executive

Kevin Meaney

Executive #2

Peter McRobbie

Executive #3

Paul J.Q. Lee

Executive #4

Debra Jo Rupp

Miss Patterson

Keith Reddin

Payroll Clerk

Lela Ivey

Bank Teller

Dolores Messina

Real Estate Agent

Gordon Press

Moving Man

George J. Manos

Limousine Driver

Vince Cupone

Photon Laser Gunfighter

Susan Wilder

Karen

Judd Trichter

Adam

Pasquale Pugliese

Tenor/Dough Man

Tom Coviello

Singing Waiter

Richard Devia

Singing Waiter

Teddy Holiavko

Singing Waiter

Augusto Mariani

Singing Waiter

Alfredo Monti

Singing Waiter

Sergio Mosetti

Singing Waiter

Armando Penso

Singing Waiter

Edward Schick

Piano Player

F. Benjamin Stimler

Boy in Leaves

Jonathan Isaac Landau

Boy in Leaves

Samantha Larkin

Girl Friend of Cynthia

Bruce Jarchow

Photographer

Vaughn Sandman

Boy on Baseball Field