Noah Beery Jr.

Jan of the Jungle (born Jan Trevor)

Dorothy Short

Mona Andrews

Harry Woods

Borno the Banished

Bryant Washburn

Dr. Harry Trevor

Walter Miller

Dr. Frank Bracken

Fred MacKaye

Dr. Charles Phillips

Russ Powell

Henry Andrews

William Desmond

Allen

John Davidson

Prince Samu

Stanley Andrews

Emperor Mena

Dickie Jones

Jan Trevor, as a boy

Viva Tattersall

Georgia Trevor

Gwendolyn Logan

Mrs. Andrews

Charles Murphy

Grubb, sadistic sailor

J.P. McGowan

Ship's Captain

Buddy Roosevelt

Bantu, Samu's aide

Eddie Kane

Gen. Tichak