William 'Stage' Boyd
Thorwaldt Cornish (as William Boyd)
Claudia Dell
Enid Van Buren
Huntley Gordon
Mr. Gordon
John Harron
Erich (as Johnny Harron)
Hooper Atchley
Dr. Steven Walcott
Lloyd Whitlock
Rankin
Phillips Smalley
Dr. Bronson
Lloyd Ingraham
Adolph Klein
Henry Hall
Dr. Barris
Spencer Gordon Bennet
Midnight Warning
Released
Bande-annonce