| Name | Character | Episodes |
|---|---|---|
| William Shatner | Dave Paulick | 2 |
| Larry Hagman | Jerry Freytag | 2 |
| Tom Bosley | Johnny Cavanaugh | 2 |
| Murray Hamilton | Nick McCann | 2 |
| Robert Young | Sen. Earl Gannon | 2 |
| Eleanor Parker | Sue Greer | 2 |
| Denny Miller | Big Bubba Toubo | 2 |
| E.G. Marshall | Arthur Ingram | 2 |
| Stephen McNally | Gen. Palfrey | 2 |
| Carleton Young | Leonard Carey | 2 |
| Sheree North | Beverly West | 2 |
| Neil Hamilton | Merrihew | 2 |
| Arthur Hill | Arnold Greer | 2 |
| Richard Widmark | President Paul Roudebush | 2 |
| Betty White | TV Hostess | 2 |
| Randolph Mantooth | Ensign | 2 |
| James Farentino | Gene Culligan | 2 |
| Michael Strong | Pete Descowicz | 2 |
| Helen Kleeb | Mrs. Erdlatz | 2 |
| Herb Vigran | Joe Hotchkiss | 2 |
| Larry Linville | Walters | 2 |
| Kevin Hagen | Matthew Silkworth | 2 |
| Christine Belford | Gretchen Greer | 2 |
| Russell Johnson | Clyde Morehouse | 2 |
| Skye Aubrey | Jill Nichols | 2 |
| Stacy Keach, Sr. | Gov. Wolcott | 2 |
| Robert Hooks | Larry Storm | 2 |
| Chet Huntley | Newscaster | 2 |