| Actor | Scott Baio (as Barney Springboro), Willie Aames (as Peyton Nichols), Robert Mandan (as Walter J. Coolidge), Scatman Crothers (as Dexter Jones), Roger Bowen (as Mr. Springboro), Greg Bradford (as Robert Wolcott), Hardy Keith (as Roscoe Brown), Curt Ayers (as Art), Merritt Butrick (as Gary Cooter), Irwin Keyes (as "Too Mean" Levine), Hank Robinson (as Umpire (as Henry Ford Robinson)), Dick Balduzzi (as Waiter), Bennett Liss (as Croupier), Ron Deutsch (as Larry), Eddie Deezen (as Sheldon (as Ed Deezen)), Bryan O'Byrne (as Father Murray), Ed Bakey (as Father Gallagher), Jan Leighton (as Albert Einstein), Michael Wainwright (as The 'Twisters'), Jason Hickman (as The 'Twisters'), Phil Gilbreth (as The 'Twisters'), Fred Grabert (as The 'Twisters'), Richard Paine (as The 'Twisters'), Hyde Anderson (as Spaceship Crew), James Loren (as Spaceship Crew), Dale Lott (as Spaceship Crew), Lynn Philip Seibel (as Spaceship Crew (as Lynn Seibel)), Randal Patrick (as Frat #1 (as Randy Patrick)), Demetre Phillips (as Frat #2), Joshua Daniel (as Frat #3), Daniel Dayan (as Frat #4), Carlos Lacamara (as Older Barney (as Carlos Lacamara)), Tory Christopher (as Skateboarding Student (uncredited)), Art Roberts (as Bully in Schoolyard (uncredited)), Victor Warren (as Trumpet Player (uncredited)) |
| Actress | Felice Schachter (as Bernadette), Mews Small (as Mrs. Springboro (as Marya Small)), Hilary Beane (as Corrine Updike), Sue Ane Langdon (as Rose Burnhart), Heather Thomas (as Jane Mitchell), Jennifer Chaplin (as Melissa Granger), LaWanda Page (as Mrs. Jones), Rosanne Katon (as Donna), Sandy Alan (as Amy (as Sandy Serrano)), Susan Ursitti (as Debby), Corinne Bohrer (as Cindy (as Corine Borher)), Holly Rutherford (as Tiger Cheerleader), Lisa Montgomery (as Tiger Cheerleader (as Lisa Le Cover)), P.J. Martin (as Tiger Cheerleader), Kym Fisher (as Tiger Cheerleader), Mieke Lanter (as Tiger Cheerleader), D' Janine King-Lasky (as High School Dancer (uncredited)), Jewel Shepard (as Girl in Car (uncredited)) |
