Guest Stars Richard Dysart as Leonard Driscoll Dana Elcar as Dr. Harold Schuyler Paul Shenar as Charles Edward Royce Co Starring Cheryl Miller as Receptionist Gloria Dixon H.M. Wynant as Captain Ballard Mike Lane as Guard / McNeil Quinn Redeker as Vince Rogers Len Wayland as Captain Whelan Gregory Walcott as Officer / Taggart Austin Stoker as Dive Officer Dave Shelley as Mechanic Robert Forward as Chief Controller Jim Raymond as Dietz Uncredited Richard Kennedy as CHP Officer
