Johnny Weissmüller
Tarzan
Maureen O'Sullivan
Jane
Johnny Sheffield
Boy
Virginia Grey
Connie Beach
Charles Bickford
Buck Rand
Paul Kelly
Jimmie Shields
Chill Wills
Manchester Montford
Cy Kendall
Col. Ralph Sergeant
Russell Hicks
Judge Abbotson
Howard Hickman
Tarzan's Lawyer Blake Norton
Charles Lane
Sargent's Lawyer Gould Beaton
Miles Mander
Portmaster
William Forrest
Inspector at Airport (uncredited)
Willie Fung
Sun Lee, the Chinese Tailor (uncredited)
Eddie Kane
Eddie, the Headwaiter (uncredited)
Mantan Moreland
Sam, the Nightclub Janitor (uncredited)
William Tannen
Mike, an Airport Clerk (uncredited)
Eddy Chandler
Bailiff (uncredited)
Marjorie Deanne
Cigarette Girl (uncredited)
Darby Jones
Swahili Chief (uncredited)
Patrick McVey
Policeman (uncredited)
Harry Monty
Circus Worker (uncredited)
Dorothy Morris
Hat Check Girl (uncredited)