| Sketch | The Killer Trees |
| Candice Bergen | ... | Ms. Vaveseur |
| Frank Zappa | ... | suspect |
| Chevy Chase | ... | tree Voice |
| Dan Aykroyd | ... | detective |
| John Belushi | ... | Steve Bushakis |
| Garrett Morris | ... | singer |
| Gilda Radner | ... | Mrs. Rodriguez |
| Tom Schiller | ... | Sergeant Nagey |
| Neil Levy | ... | stagehand |
| Don Pardo | ... | announcer Voice |