Mork is beside himself when he hears that Xerko is coming from Ork to visit him. Xerko turns out to be an arrogant and egotistical man who wants Mork's job of reporting back to Orson. Xerko and Mork duel to see who will get the job.
| Name | Type | Role | |
|---|---|---|---|
| Jeff Reno | Writer | ||
| Ron Osborn | Writer | ||
| Lyle Waggoner | Guest Star | Xerko | |
| Howard Storm | Director | ||
| Robin Williams | Actor | Mork | |
| Ralph James | Actor | Orson (voice) | |
| Pam Dawber | Actor | Mindy McConnell | |
| Conrad Janis | Actor | Fred McConnell | |
| Tom Poston | Actor | Mr. Bickley |