David Naughton as Adam Larson - Yellow Team Leader

Debra Clinger as Laura - Yellow Team

Eddie Deezen as Wesley - White Team Leader

Michael J. Fox as Scott Larson

Stephen Furst as Harold - Blue Team Leader

Maggie Roswell as Donna - Red Team Leader

David Damas as Marvin - Yellow Team

Patricia Alice Albrecht as Lucille - Blue Team

Andy Tennant as Melio - Blue Team

Brian Frishman as Barf - Blue Team

Joel Kenney as Flynch - Yellow Team

Sal Lopez as Blade - Blue Team

Robyn Petty as Berle - Red Team

Betsy Lynn Thompson as Peggy - Red Team

Carol Gwynn Thompson as Lulu - Red Team

Marvin Katzoff as Debater #1 - White Team

Christopher Sands as Debater #2 - White Team

Dirk Blocker as Blaylak - Green Team

Kirsten Baker as Sunshine

Deborah Richter as Candy (as Debi Richter)

John Fiedler as Wally Thorpe

Michael Gitomer as Debater #3 - White Team

Paul Reubens as Pinball City Proprietor

Curt Ayers as Armpit - Green Team

Alan Solomon as Leon

Bert Williams as Security Captain

Trevor Henley as Cudzo - Green Team

Loretta Tupper as Thorpe's mother

Irene Tedrow as Mrs. Grimhaus

Ceil Cabot as Mrs. Thorpe

Brad Wilkin as Lavista - Green Team Leader

Keny Long as Gerber - Green Team

Charlie Brill as Jerry - Tenant #1

Georgia Schmidt as Old lady in car

Eddie Bloom as Game Control Bookie

Dave Shelley as Harold's Father

Marvin Kaplan as Bonaventure Desk Clerk

Arthur Adams as Police Sergeant

Tom Wright as Cop #1

Elven Havard as Cop #2

Ernie Fuentes as Miniature Golf Dad

Pilar Del Rey as Miniature Golf Mom

J. Brennan Smith as Bratty Kid

Don Maxwell as Bratty Kid's Dad