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