| Name | Character | Episodes |
|---|---|---|
| Barnard Hughes | 31 | |
| Elizabeth Wilson | 31 | |
| Steve Martin | 1 | |
| John Ritter | 1 | |
| William Windom | 1 | |
| Ron Rifkin | 1 | |
| Matthew Labyorteaux | 1 | |
| Jay Robinson | 1 | |
| Bert Remsen | 1 | |
| Stanley Brock | 1 | |
| Richard Stahl | 1 | |
| Dick O'Neill | 1 | |
| Sharon Farrell | 1 | |
| Gabriel Dell | 1 | |
| Ann Weldon | 1 | |
| Phil Leeds | 1 | |
| Jack Gilford | 1 | |
| Herb Voland | 1 | |
| Moosie Drier | 1 | |
| Fred Grandy | 1 | |
| Irene Tedrow | 1 | |
| Robert Mandan | 1 | |
| Warren Berlinger | 1 | |
| Elliott Reid | 1 | |
| Larry Haines | 1 |