| Name | Character | Episodes |
|---|---|---|
| Wendell Corey | Captain Ralph Baxter | 39 |
| Douglas Henderson | 2 | |
| Troy Melton | Officer Turner | 2 |
| Diane Brewster | 1 | |
| William Henry | 1 | |
| Gary Vinson | 1 | |
| William Boyett | 1 | |
| Ed Nelson | 1 | |
| Bing Russell | 1 | |
| Michael Fox | 1 | |
| Brett Halsey | 1 | |
| Orville Sherman | 1 | |
| Dennis Moore | 1 | |
| Earle Hodgins | 1 | |
| Preston Foster | 1 | |
| Cornelius Keefe | 1 | |
| Leonard Nimoy | 1 | |
| Lilyan Chauvin | 1 | |
| Stuart Whitman | 1 | |
| Myrna Fahey | 1 | |
| George Eldredge | 1 | |
| George Cisar | Danner | 1 |
| Robert Clarke | 1 | |
| Raymond Hatton | Pop Masters | 1 |
| Richard Benedict | Arnold Freeman | 1 |
| Herschel Bernardi | 1 | |
| Harold Goodwin | 1 | |
| Joyce Meadows | 1 | |
| Joan Marshall | 1 | |
| Peter Marshall | Pinkey Parker | 1 |
| Troy Melton | Mugging Victim | 1 |
| Kaye Elhardt | 1 | |
| Michael Bryant | 1 | |
| Pamela Duncan | 1 | |
| William Bakewell | 1 | |
| Ken Mayer | 1 | |
| Charles Maxwell | 1 | |
| Preston Hanson | 1 | |
| Bob Wehling | Dock Worker | 1 |
| Jim Hayward | 1 | |
| Larry Thor | 1 |