| James Caan | Jonathan E. |
| John Houseman | Bartholomew |
| Maud Adams | Ella |
| John Beck | Moonpie |
| Moses Gunn | Cletus |
| Shane Rimmer | Rusty, Team Executive |
| Barbara Trentham | Daphne |
| Pamela Hensley | Mackie |
| Ralph Richardson | Librarian |
| Richard LeParmentier | Bartholomew's Aide (as Rick LeParmentier) |
| Robert Ito | Strategy Coach for Houston Team |
| John Normington | Executive |
| Burt Kwouk | Japanese Doctor |