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