| Name | Character | Episodes |
|---|---|---|
| Steven Eckholdt | Thumper Klein | 6 |
| Jonathan Penner | David Klein | 6 |
| Mariska Hargitay | Katie | 1 |
| Courtney Thorne-Smith | Lisa | 1 |
| Patrick Warburton | Billy | 1 |
| Brenda Strong | Allison | 1 |
| Liz Vassey | Janice | 1 |
| Yancy Butler | Karen | 1 |
| Paula Marshall | Fran | 1 |
| Michael E. Knight | Adam | 1 |
| Marc Macaulay | Auto mechanic | 1 |
| Marc Macaulay | Randall | 1 |
| Victoria Bass | Henry's Ex-Wife | 1 |
| Brett Cullen | Ken | 1 |
| Dean Cain | Brian | 1 |
| John Terlesky | Greg | 1 |
| Stan Ivar | Henry | 1 |
| Terry Farrell | Laurie | 1 |
| C.C. Costigan | Loreen (uncredited) | 1 |
| Karen Leigh Hopkins | Marsha | 1 |
| Ely Pouget | Olivia | 1 |
| Galyn Görg | Jessica | 1 |
| Michael Whaley | Tony | 1 |
| E. Katherine Kerr | Lisa's Mother | 1 |
| Ilse Earl | 1 | |
| Sandy Mielke | Adam's Boss | 1 |