Directed by
| Richard Fleischer | ... | (as Richard O. Fleischer) |
Writing Credits (in alphabetical order)
| Ardis Smith | ||
Cast (in credits order)
| Raymond Edward Johnson | ... | Alexander Graham Bell | |
| Rest of cast listed alphabetically: | |||
| Mason Adams | ... | Thomas Watson | |
| Sara Anderson | ... | Mabel Anderson | |
| Taylor Holmes | ... | Gardiner Hubbard | |
| Jed Prouty | ... | Willis J. Watson | |
Music by
| Nathaniel Shilkret | ||
Editing by
| David Cooper | ||
Production Management
| G.M. Underhill | ... | supervisor |
Sound Department
| Francis Woolley | ... | recording director (as F.L. Woolley) |
