Cast & crew
The Lost World (1925)
Directed by Harry O. Hoyt Written by Marion Fairfax
Cast
| Bessie Love | Paula White |
| Wallace Beery | Prof. Challenger |
| Lewis Stone | Sir John Roxton |
| Lloyd Hughes | Edward E. Malone |
| Alma Bennett | Gladys Hungerford |
| Arthur Hoyt | Prof. Summerlee |
| Margaret McWade | Mrs. Challenger |
| Bull Montana | Ape Man |
| Frank Finch Smiles | Challengers Diener |
| Jules Cowles | Zambo |
| George Bunny | Colin McArdle |
| Charles Wellesley | Maj. Hibbard |
| Arthur Conan Doyle | Himself |
| Virginia Brown Faire | Marquette |
| Nelson McDowell | Lawyer |
| Gilbert Roland | Extra |
| Leo White | Percy Potts |
Crew
| Marion Fairfax | Screenplay |
| Arthur Edeson | Director of Photography |
| Marcel Delgado | Special Effects |
| Cecil Holland | Makeup Artist |
| Willis H. O'Brien | Special Effects |
| Milton Menasco | Art Direction |
| Arthur Conan Doyle | Author |
| Harry O. Hoyt | Director |
| Earl Hudson | Producer |
| George McGuire | Editor |
| Willis H. O'Brien | Visual Effects |
| Perc Westmore | Makeup Artist |