| Name | Character | Episodes |
|---|---|---|
| Robert Redford | Roger Morton | 30 |
| Paul Richards | 30 | |
| Eduard Franz | 30 | |
| Joey Heatherton | Dory Costain | 30 |
| Clint Howard | 1 | |
| James T. Callahan | 1 | |
| Walter Pidgeon | 1 | |
| Mariette Hartley | 1 | |
| Jack Warden | 1 | |
| Virginia Gregg | 1 | |
| Rip Torn | 1 | |
| Edmond O'Brien | 1 | |
| Jack Weston | 1 | |
| Robert Loggia | 1 | |
| Kim Hunter | 1 | |
| Bradford Dillman | 1 | |
| Marsha Hunt | 1 | |
| Hari Rhodes | 1 | |
| Johnny Seven | 1 | |
| Alan Napier | 1 | |
| Oskar Homolka | 1 | |
| Paul Stewart | 1 | |
| Rosemary DeCamp | 1 | |
| Sheree North | 1 | |
| John Larkin | 1 | |
| Millie Perkins | 1 | |
| Dianne Foster | 1 | |
| Carol Lawrence | 1 | |
| Jan Sterling | 1 | |
| Cesare Danova | 1 | |
| Jack Oakie | 1 | |
| Bettye Ackerman | 1 | |
| Pamelyn Ferdin | 1 | |
| David Winters | 1 | |
| Helen Kleeb | 1 | |
| Vito Scotti | 1 | |
| Peter Leeds | 1 | |
| Michael Callan | 1 | |
| Shelley Berman | 1 | |
| Marisa Pavan | 1 | |
| Martine Bartlett | 1 | |
| Richard Webb | 1 | |
| Diana Sands | 1 | |
| Fabrizio Mioni | 1 | |
| Malachi Throne | 1 | |
| Mary Murphy | 1 | |
| Sondra Blake | 1 | |
| Joe Maross | 1 | |
| Doreen Lang | 1 | |
| Lori Martin | 1 | |
| Dean Harens | 1 | |
| Mari Blanchard | 1 | |
| Sara Haden | 1 | |
| Irene Tsu | 1 |