Émile Genest as John Longridge

John Drainie as Professor Jim Hunter

Sandra Scott as Mrs. Hunter

Jan Rubeš as Carl Nurmi

Tommy Tweed as The Hermit

Syme Jago as Helvi Numi

Marion Finlayson as Elizabeth Hunter

Ronald Cohoon as Peter Hunter

Robert Christie as James MacKenzie

Beth Lockerbie as Nell MacKenzie

Iréna Mayeska as Mrs. Nurmi

Beth Amos as Mrs. Oakes

Eric Clavering as Bert Oakes

Rex Allen as Narrator (voice)