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)

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)