Mystery Liner
Voltar
Noah BeeryCapt. John Holling
Astrid AllwynLila Kane
Edwin MaxwellMajor Pope
Gustav von SeyffertitzInspector Von Kessling
Ralph LewisProf. Grimson
Cornelius KeefeFirst Officer Cliff Rogers
Zeffie TilburyGranny Plimpton- Boothe HowardCapt. Downey
Howard HickmanDr. Howard- Jerry StewartEdgar Morton
- John M. SullivanWatson
George 'Gabby' HayesJoe, the Watchman
George ClevelandSimms, the Steward- Raymond BrownSpy Chief (sem créditos)
Gordon De MainCommander Bryson (sem créditos)
Olaf HyttenGrimson's Aide (sem créditos)
George NashWaiter (sem créditos)- Harry SchultzAide (sem créditos)
Slim WhitakerCrewman (sem créditos)