Marshall Thompson Dr. Marsh Tracy Actor Cheryl Miller Paula Tracy Actor Yale Summers Jack Dane Actor Hari Rhodes Mike Actor Hedley Mattingly Hedley Actor Ron Hayes Guest Star King Donovan Guest Star Steve Brodie Guest Star Joe Higgins Guest Star George Mitchell Guest Star Don Marshall Guest Star Michael Pate Guest Star Jan Clayton Guest Star Jack Big Head Guest Star Bob Williams Guest Star Jon Chevron Guest Star Laurence Conroy Guest Star Sheldon Lawrence Guest Star Kenny Washington Guest Star Dina Merrill Guest Star Ivan Tors Executive Producer Leonard B. Kaufman Producer Stephen Kandel Writer William Clark Writer Richard Carlson Writer Robert Lewin Writer Michael Adams Writer Arthur Weiss Writer Malvin Wald Writer Paul Landres Director Otto Lang Director Alan Caillou Writer Andrew Marton Director