Cast & crew
Planet Earth (1974)
Directed by Marc Daniels Written by Gene Roddenberry
Cast
| John Saxon | Dylan |
| Janet Margolin | Harper |
| Ted Cassidy | Isiah |
| Christopher Cary | Baylok |
| Diana Muldaur | Yuloff |
| Sally Kemp | Treece |
| Jo De Winter | Villar |
| Corinne Camacho | Bronta |
| Jim Antonio | Connor |
| Claire Brennen | Delba |
| Majel Barrett | Yuloff |
| Aron Kincaid | Candidata Gorda |
| John Quade | Treblinka Commandant |
| Rai Tasco | Pater Vincens |
| Sue Dahlman | Thetis |
| Lew Brown | Merlo |
| Robert Sutton | Captain Shaw |
| Joan Crosby | Kyla |
| James Bacon | Partha |
| Craig Huxley | Harpsichordist |
| Robert McAndrew | Dink |
| Bob Golden | Dink |
| Susan Page | Little Sue |
| Patricia Smith | Skylar |
Crew
| Marc Daniels | Director |
| George Watters | Editor |
| Archie R. Dalzell | Director of Photography |
| Ed Baer | Set Decoration |
| Gene Roddenberry | Teleplay |
| Juanita Bartlett | Teleplay |
| Kurt Neumann | Unit Production Manager |
| Loren Janes | Stunt Coordinator |
| Craig R. Baxley | Stunt Driver |
| Robert H. Justman | Producer |
| Gene Roddenberry | Story |
| Tap Canutt | Stunts |
| Dick Warlock | Stunts |
| Tony Epper | Stunts |
| Harry Sukman | Original Music Composer |
| Gene Roddenberry | Executive Producer |
| Robert Kinoshita | Art Direction |
| William Ware Theiss | Costume Design |
| Hoyt Bowers | Casting |
| Jack Verbois | Stunts |
| Bob Bralver | Stunts |