| Cast overview, first billed only: |
 | Tom Brookshier | - | Himself - Commentator |
 | Bill Cosby | - | Himself - Coach / Tennis |
 | Phyllis George | - | Herself - Coach |
 | Catherine Bach | - | Herself - Marathon |
 | Michael Douglas | - | Himself - Marathon |
 | Barbi Benton | - | Herself - Swimming |
 | Leif Garrett | - | Himself - Swimming |
 | Charo | - | Herself - Air Hockey |
 | Redd Foxx | - | Himself - Air Hockey |
 | Dallas Cowboys Cheerleaders | - | Themselves - Obstacle Course |
 | The Temptations | - | Themselves - Obstacle Course |
 | Lola Falana | - | Herself - Rollerskating |
| Gallagher | - | Himself - Rollerskating |
 | Elaine Joyce | - | Herself - Billiards |
| Richard Dawson | - | Himself - Billiards / Ping-Pong |
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