Darsteller und CrewHenry B. WalthallCapt. Rhodes - Yacht CommanderLloyd BaconRegisseur:inWarner RichmondFirst MateLionel BelmoreAmos SewaldJohn MiljanDr. MiloHarvey Gatestvm.persons.postions.dialogue, Drehbuchautor:inClaude GillingwaterJames Rutherford - Expedition LeaderH.B. WarnerProf. DangerfieldGeorge BerangerSimpson - GuideLouise FazendaMrs. Fleming