70 mins | Thriller | Nov. 10, 1955
70 mins | Thriller | Nov. 10, 1955
| Producers | Republic Pictures, British Lion Film Corporation, William N. Boyle Productions |
| Original title | Secret Venture |
| Directors | R.G. Springsteen |
| Writers | Kenneth R. Hayles, Paul Erickson |
as Ted O'Hara
as Joan Butler
as Renee L'Epine
as Zelinsky
as Otto Weber
as Dan Flemying
as Squire Marlowe, the Wrestler
as Bob Hendon
as Professor Henrik
as Inspector Dalton
as Bill Rymer
as Stevens
as Train Porter
as Lola
as Bargee
as Gymnasium Attendant
as Man on Sofa
as First Reporter
as Second Reporter