Benny & Joon

Johnny Depp

Sam

Mary Stuart Masterson

Juniper 'Joon' Pearl

Aidan Quinn

Benjamin 'Benny' Pearl

Julianne Moore

Ruthie

Oliver Platt

Eric

CCH Pounder

Dr. Garvey

Dan Hedaya

Thomas

Joe Grifasi

Mike

William H. Macy

Randy Burch

Liane Curtis

Claudia

Eileen Ryan

Mrs. Smail

Lynette Walden

Female Customer

Waldo Larson

Waldo

Don Hamilton

UPS man

Leslie Laursen

Admitting Nurse

John Grant Phillips

Policeman

Irvin Johnson

Orderly

Shane Nilsson

Orderly

Faye Killebrew

Video Customer

Ramsin Amirkhas

Video Clerk

Amy Alizabeth Sanford

Young Joon

Brian Keevy

Young Benny

Tony Lincoln

Local

Noon Orsatti

Patron

Dan Kamin

Patron

Gregory Cook

Guy in the Park (uncredited)

Aaron Haedt

Bicyclist (uncredited)