The Challenge

Robert Douglas

Edward Whymper

Luis Trenker

Jean Antoine Carrel

Joan Gardner

Felicitas - His Daughter

Frank Birch

Rev. Charles Hudson

Geoffrey Wardwell

Lord Francis Douglas

Moran Caplat

Hadow

Lyonel Watts

Morris - Publisher

Mary Clare

His Mother

Fred Groves

Favre

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 (as Emeric Albert)