- Elmo Lincoln
- Tarzan
- Enid Markey
- Jane Porter
- True Boardman
- John Clayton - Lord Greystoke
- Kathleen Kirkham
- Alice Clayton - Lady Greystoke
- George B. French
- Binns - A Sailor
- Gordon Griffith
- Tarzan - Younger
- Colin Kenny
- Greystoke's Nephew
- Thomas Jefferson
- Prof. Porter
- Bessie Toner
- Bar Maid
- Jack Wilson
- Captain of the Fuwalda
- Louis Morrison
- Innkeeper
- Rex Ingram
- (uncredited)
- Madame Sul-Te-Wan
- Esmeralda - Jane's Maid
- Stellan Windrow
- Tree-Swinging Tarzan
