| Sketch | Attack Of The Atomic Lobsters |
| Robert Klein | ||
| Bonnie Raitt | ||
| Dan Aykroyd | ||
| Chevy Chase | ... | lobster Voice |
| Jane Curtin | ||
| Tom Davis | Voice | |
| Lew Del Gatto | ||
| Brian Doyle-Murray | ||
| Yvonne Hudson | ||
| Howard Johnson | ||
| Bert Jones | ||
| Franne Lee | ||
| Tom Malone | ||
| Lou Marini | ||
| Garrett Morris | ||
| Bill Murray | ||
| Laraine Newman | ||
| Michael O'Donoghue | Voice | |
| Don Pardo | Voice | |
| Gilda Radner | ||
| Alan P. Rubin | ||
| Tom Schiller | ... | officer |
| Howard Shore | ||
| Mauricio Smith |