| Name | Character | Episodes |
|---|---|---|
| Ralph Meeker | 39 | |
| Norman Alden | 14 | |
| Stanley Adams | 5 | |
| James T. Callahan | 3 | |
| Ivan Triesault | 3 | |
| Steve Brodie | 2 | |
| Barbara Stuart | 2 | |
| Harlan Warde | 2 | |
| Anne Helm | 2 | |
| Dennis Patrick | 2 | |
| Fred Graham | 1 | |
| Willis Bouchey | 1 | |
| Jean Willes | 1 | |
| Jason Douglas | 1 | |
| Richard Erdman | 1 | |
| Michael Pataki | 1 | |
| Johnny Seven | 1 | |
| Milton Frome | 1 | |
| William Keene | 1 | |
| Stanley Clements | 1 | |
| Patricia Blair | 1 | |
| John Harmon | 1 | |
| Skip Ward | 1 | |
| Joan Staley | 1 | |
| John S. Ragin | 1 | |
| Robert Hutton | 1 | |
| Walter Reed | 1 | |
| Paul Langton | 1 | |
| James Seay | 1 | |
| Dave Willock | 1 | |
| John Bryant | 1 | |
| Arthur Batanides | 1 | |
| Maureen Arthur | 1 | |
| Barbara Morrison | 1 | |
| Don Dillaway | Colonel | 1 |
| Naura Hayden | 1 | |
| Bernard Fein | 1 | |
| Mari Blanchard | 1 | |
| Robert Ivers | 1 | |
| Bob Okazaki | 1 | |
| Peggy Stewart | 1 |