| Name | Character | Episodes |
|---|---|---|
| Louis Hayward | Michael Lanyard | 40 |
| Ernest Borgnine | Saks | 1 |
| Steven Geray | 1 | |
| Robert Osterloh | Jack Procter | 1 |
| Nancy Gates | Dena | 1 |
| Kam Tong | Chang | 1 |
| Beverly Garland | Nancy Trout | 1 |
| Roy Roberts | Caradoc | 1 |
| Willis Bouchey | Ed Phillips | 1 |
| Jean Willes | Ed | 1 |
| Dabbs Greer | Sheriff Ketton | 1 |
| John Doucette | Blake | 1 |
| John Doucette | Pete Casman | 1 |
| John Doucette | Arnold Richman | 1 |
| Strother Martin | Nick Davis | 1 |
| John Larch | Lt. Cellars | 1 |
| Peter Hansen | 1 | |
| Ben Welden | Murry Fitch | 1 |
| Barney Phillips | Floyd Collins | 1 |
| Barney Phillips | Col. Shag Davis | 1 |
| Frank Puglia | Papa Crocetti | 1 |
| Ted de Corsia | Angus Morgan | 1 |
| Felicia Farr | Gerda Van Ryck | 1 |
| Peter Brocco | Fingers | 1 |
| Kenneth Tobey | Johnny Martin | 1 |
| Denver Pyle | Kargar | 1 |
| Harry Morgan | Jim Strait | 1 |
| Harry Morgan | Rev. Jeffrey Hallam | 1 |
| DeForest Kelley | Ted Hopkins | 1 |
| DeForest Kelley | Nick Kohler | 1 |
| Barbara Billingsley | Jean Arnold | 1 |
| Barbara Billingsley | (uncredited) | 1 |
| Paul Picerni | Chick Walsi | 1 |
| Jerry Paris | Paul | 1 |
| Frank Ferguson | Sheriff Jerry Lea | 1 |
| Irene Hervey | Mae East | 1 |
| Burt Mustin | George Bracken | 1 |
| Burt Mustin | Gooch Jeffords (uncredited) | 1 |
| Burt Mustin | Cooch Jeffords | 1 |
| Dan Seymour | Harry Chung | 1 |
| Paul Bryar | Frank Parker | 1 |
| Marvin Miller | Col. Valenza | 1 |
| Walter Reed | Frank Henshaw | 1 |
| Harry Harvey | Kelly | 1 |
| Anthony Eustrel | Ahmed Husain Cantelli | 1 |
| John Gallaudet | Police Captain | 1 |
| Dick Wessel | Bill Basey | 1 |
| Russ Conway | Thomas | 1 |
| Damian O'Flynn | Alan Harper | 1 |
| Roy Engel | Police Lt. Browder | 1 |
| Dave Willock | Roustabout (uncredited) | 1 |
| Richard Benedict | Babe Janno | 1 |
| Dan Riss | Dr. James Warner | 1 |
| Dan Riss | Deputy Lou Putnam | 1 |
| Virginia Brissac | Mrs. Kimbo | 1 |
| Virginia Brissac | Mrs. Bell | 1 |
| Lewis Charles | Singh | 1 |
| Helen Westcott | Helen Calder / Elaine | 1 |
| Frances Rafferty | Angela Connor | 1 |
| Steven Ritch | Phil Ravenna | 1 |
| Victor Sen Yung | Jack Wong | 1 |
| Carole Mathews | Janet LeMaire | 1 |
| Kristine Miller | Lynn | 1 |
| Kristine Miller | Kay Richman | 1 |
| Barbara Jean Wong | Rose Kai | 1 |
| John Alvin | Johnson | 1 |
| Joseph Crehan | Conductor | 1 |
| Jay Adler | Anton Morgay | 1 |
| Herbert Ellis | Frank Gibson | 1 |
| Evelyn Scott | Fran Morgay | 1 |
| Gladys Holland | Yvette | 1 |
| Tom Powers | Carl Olsen | 1 |
| Michael Granger | Lt. Browder | 1 |
| Michael Granger | Colonel Kendell Lana | 1 |
| Leonard Strong | Ti Ling | 1 |
| Leonard Strong | Shalmar | 1 |