Johnny Weissmüller

as Tarzan

Maureen O'Sullivan

as Jane

Johnny Sheffield

as Boy

Virginia Grey

as Connie Beach

Charles Bickford

as Buck Rand

Paul Kelly

as Jimmie Shields

Chill Wills

as Manchester Montford

Cy Kendall

as Col. Ralph Sergeant

Russell Hicks

as Judge Abbotson

Howard Hickman

as Tarzan's Lawyer Blake Norton

Charles Lane

as Sargent's Lawyer Gould Beaton

Miles Mander

as Portmaster

William Forrest

as Inspector at Airport (uncredited)

Willie Fung

as Sun Lee, the Chinese Tailor (uncredited)

Eddie Kane

as Eddie, the Headwaiter (uncredited)

Mantan Moreland

as Sam, the Nightclub Janitor (uncredited)

William Tannen

as Mike, an Airport Clerk (uncredited)

Eddy Chandler

as Bailiff (uncredited)

Marjorie Deanne

as Cigarette Girl (uncredited)

Darby Jones

as Swahili Chief (uncredited)

Patrick McVey

as Policeman (uncredited)

Harry Monty

as Circus Worker (uncredited)

Dorothy Morris

as Hat Check Girl (uncredited)