Molly Ringwald as Samantha Baker

Michael Schoeffling as Jake Ryan

Haviland Morris as Caroline Mulford

Gedde Watanabe as Long Duk Dong

Anthony Michael Hall as Geek (Ted)

Justin Henry as Mike Baker

Paul Dooley as Jim Baker

Carlin Glynn as Brenda Baker

Blanche Baker as Ginny Baker

Edward Andrews as Howard Baker

Billie Bird as Dorothy Baker

Carole Cook as Grandma Helen

Max Showalter as Grandpa Fred

Liane Curtis as Randy

John Cusack as Bryce

Darren Harris as Cliff

Debbie Pollack as Lumberjack

Ross Berkson as Ray Gun Geek #1

Jonathan Chapin as Jimmy Montrose

Joan Cusack as Geek Girl #1

Brian Doyle-Murray as Reverend

Bekka Eaton as Female D.J.

Pamela Elser as Shower Double

Steven Farber as Ray Gun Geek #2

Jami Gertz as Robin

Frank Howard as Freshman

Cinnamon Idles as Sara

John Kapelos as Rudy Ryszczyk

Marge Kotlisky as Irene

Tony Longo as Rock

Steve Monarque as Jock

Bill Orsi as Bruno

Beth Ringwald as Patty

Zelda Rubinstein as Organist

Dennis Vero as Bus Driver

Elaine Wilkes as Tracy

Adam Rifkin as Head Nerd (uncredited)

Elizabeth Cox as High School Student (uncredited)

Erika Pearson as Student (uncredited)

James Huffman as Student in Crowd (uncredited)

Andy Hirsch as Boy with Coronet (uncredited)

James Vallo as Bandie (uncredited)

Stephan Meyers as Geek at Dance (uncredited)

Jennifer Scott as Wallflower (uncredited)

Agnes Belushi as Wedding Guest (uncredited)

Robert Minkoff as Extra (uncredited)

Sven Granlund as Extra (uncredited)

The New York City Breakers as Breakdancers