| Name | Character | Episodes |
|---|---|---|
| Clive Revill | 8 | |
| Julia Duffy | 8 | |
| Duncan Regehr | 8 | |
| Jeff Conaway | 8 | |
| Walter Olkewicz | 8 | |
| Jay Kerr | 5 | |
| Ian Wolfe | 4 | |
| Randi Brooks | 4 | |
| Julie Payne | 3 | |
| Tim Dunigan | 3 | |
| John Ratzenberger | 1 | |
| Jerry Maren | 1 | |
| M.C. Gainey | 1 | |
| John Bennett Perry | 1 | |
| Troy Evans | 1 | |
| Richard Fullerton | 1 | |
| Professor Toru Tanaka | 1 | |
| Warren Munson | 1 | |
| Michael Currie | 1 | |
| Stephen Nichols | 1 | |
| Art LaFleur | 1 |