Big— Full Cast

Tom Hanks

as Josh Baskin

Jason Candler

as Jim / Roy (voice)

Elizabeth Perkins

as Susan

Eric Fogel

as Ray (voice)

Robert Loggia

as MacMillan

Russ Hexter

as Dr. Richard Axel (voice)

John Heard

as Paul

Frank Gresham

as Dr. Lucas Elliot (voice)

Jared Rushton

as Billy

Lisa Rubish

as Madeline (voice)

David Moscow

as Young Josh

Jon Lovitz

as Scotty Brennen

Mercedes Ruehl

as Mrs. Baskin

Josh Clark

as Mr. Baskin

Kimberlee M. Davis

as Cynthia Benson

Oliver Block

as Freddie Benson

Erika Katz

as Cynthia's Friend

Allan Wasserman

as Gym Teacher

Mark Ballou

as Derek

Gary Klar

as Ticket Taker