- Robert Douglas
- Edward Whymper
- Frank Birch
- Rev. Charles Hudson
- Geoffrey Wardwell
- Lord Francis Douglas
- Moran Caplat
- Hadow
- Lyonel Watts
- Morris - Publisher
- Luis Trenker
- Jean Antoine Carrel
- Mary Clare
- His Mother
- Fred Groves
- Favre
- Joan Gardner
- Felicitas - His Daughter
- Laurence Baskcomb
- The Podesta - Mayor
- Ralph Truman
- Giordano
- Reginald Jarman
- Minister Sella
- Tony Sympson
- Luc Meynet
- Cyril Smith
- Customs Officer
- Lloyd Pearson
- Seiler
- Violet Howard
- Mrs. Seiler
- Babita Soren
- Mrs. Croz
- Luis Gerold
- Croz
- Max Holzboer
- Elder Taugwalder - Guide
- Emmerich Albert
- Younger Taugwalder
- Howard Douglas
- A Ropemaker
- Patrick Holt
- Minor Role
- Hugo Lehner
- Minor Role
- Bernard Miles
- Villager
- Tarva Penna
- Villager
- Robert Rietty
- Boy
- Torin Thatcher
- Young officer
- D.J. Williams
- Villager
