Overview
An evil prince plans to use a super-explosive to take over the world.
Cast
- Shirley Mason as Barbara Hackett
- Buck Jones as Brick McDonald (as Charles Jones)
- Richard Tucker as Herbert Glenville
- Alan Hale as Prince Stefan de Bernie
- Walter McGrail as Dick Manley
- June Elvidge as Estelle Hackett
- Fred Kelsey as The Submarine Commander
- Nigel De Brulier as Mordecai Newman
- Fred Kohler as Barbara's Uncle