 |
William 'Stage' Boyd as Thorwaldt Cornish (as William Boyd) |
 |
Claudia Dell as Enid Van Buren |
 |
Huntley Gordon as Mr. Gordon |
 |
John Harron as Erich (as Johnny Harron) |
 |
Hooper Atchley as Dr. Steven Walcott |
 |
Lloyd Whitlock as Rankin |
 |
Phillips Smalley as Dr. Bronson |
 |
Lloyd Ingraham as Adolph Klein |
 |
Henry Hall as Dr. Barris |
| Directing | Spencer Gordon Bennet | Director |
| Writing | Norman Battle | Story |
| Writing | John T. Neville | Scenario Writer |
