Cast & crew
One Million B.C. (1940)
Directed by Hal Roach, Jr., Hal Roach Written by Mickell Novack, George Baker, Joseph Frickert
Cast
| Victor Mature | Tumak |
| Carole Landis | Loana |
| Lon Chaney Jr. | Akhoba |
| John Hubbard | Ohtao |
| Mamo Clark | Nupondi |
| Conrad Nagel | narrator |
| Jacqueline Dalya | Ataf |
| Inez Palange | Tohana |
| Edgar Edwards | Skakana |
| Nigel De Brulier | Peytow |
| Mary Gale Fisher | Wandi |
| Norman Budd | Rock Person |
| Harry Wilson | Rock Person |
| John Northpole | Rock Person |
| Lorraine Rivero | Rock Person |
| Harold Howard | Rock Person |
| Ricca Allen | Rock Person |
| Adda Gleason | Rock Person |
| Edward Coxen | Rock Person |
| Audrey Manners | Shell Person |
| Rosemary Theby | Shell Person |
| Ben Hall | Shell Person |
| Creighton Hale | Shell Person |
| Patricia Pope | Shell Person |
| Chuck Stubbs | Shell Person |
| Jimmy Boudwin | Shell Person |
| Ora May Carlson | Shell Person |
| James Coppedge | Rock Person |
| Kay Frye | Shell Person |
| Betty Greco | Rock Person |
| Aida Hernandez | Rock Person |
| Robert Kent | Mountain Guide |
| Jean Porter | Shell Person - Loana's Sister |
| Boots Lebaron | Shell Person |
| Henry Sylvester | Rock Person |
| Frank Tinajero | Rock Person |
| Dick Simmons | Shell Person |
Crew
| Hal Roach, Jr. | Director |
| Werner R. Heymann | Original Music Composer |
| William Stevens | Set Decoration |
| Mickell Novack | Screenplay |
| Hal Roach | Producer |
| Hal Roach | Director |
| Norbert Brodine | Director of Photography |
| Harry Black | Costume Design |
| Charles D. Hall | Art Direction |
| Ray Snyder | Editor |
| George Baker | Screenplay |
| Joseph Frickert | Screenplay |