| Name | Character | Episodes |
|---|---|---|
| Helen Hunt | Kerry Gerardi | 13 |
| Michele Tobin | Maureen Fitzpatrick | 13 |
| Bert Kramer | Mike Fitzpatrick | 13 |
| Sean Marshall | Max Fitzpatrick | 13 |
| Jimmy McNichol | Jack Fitzpatrick | 13 |
| Mariclare Costello | Maggie Fitzpatrick | 13 |
| Clark Brandon | Sean Fitzpatrick | 13 |
| Clint Howard | D'Annunzio | 1 |
| Brian Dennehy | Coach Hatfield | 1 |
| Edward James Olmos | Don Vasquez | 1 |
| George Memmoli | 1 | |
| Claudette Nevins | Paula | 1 |
| Lou Frizzell | Thurlow Clark | 1 |
| Joseph V. Perry | 1 | |
| Arthur Rosenberg | Ritznitsky | 1 |
| Beverly Todd | 1 | |
| Donald Moffat | 1 | |
| Perry Lang | 1 | |
| Gwen Arner | Hostess | 1 |
| Ted Shackelford | 1 | |
| Philip Baker Hall | Bertram | 1 |
| Thalmus Rasulala | 1 | |
| Thalmus Rasulala | Huston | 1 |
| Marc McClure | Howard | 1 |
| Murphy Dunne | Etzweiler | 1 |
| Joe Maross | Devlin | 1 |
| Lisa Jane Persky | 1 | |
| Jim Greenleaf | 1 | |
| Tony Becker | Fech'no | 1 |
| Laura Campbell | Miss Bates | 1 |
| Philip Brown | 1 | |
| Philip Brown | Katch | 1 |
| Robin Harlan | 1 | |
| Warren Berlinger | 1 | |
| Jennifer Warren | 1 | |
| Marc Vahanian | Corky | 1 |