Directed by
| Albert McCleery | ||
Writing Credits (in alphabetical order)
| George Bruce | ... | (written by) |
| Harold Callen | ... | (story) |
Cast (in credits order)
| Peter Hansen | ... | Alexander Graham Bell (as Peter Hanson) | |
| Rest of cast listed alphabetically: | |||
| Claudia Barrett | ... | Mabel Hubbard | |
 |
Kim Charney | ... | Georgie Sanders |
| Ian Keith | ... | Gardiner Greene Hubbard | |
| Charlott Knight | ... | Landlady (as Charlotte Knight) | |
|
|
Bert Masters | ... | Thomas Watson (as Burt Masters) |
