Johnny Weissmüller

~ as ~

Tarzan

Maureen O'Sullivan

~ as ~

Jane Parker

Johnny Sheffield

~ as ~

Boy

Ian Hunter

~ as ~

Austin Lancing

Henry Stephenson

~ as ~

Sir Thomas Lancing

Frieda Inescort

~ as ~

Mrs. Lancing

Henry Wilcoxon

~ as ~

Mr. 'Sandee' Sande

Laraine Day

~ as ~

Mrs. Richard Lancing

Morton Lowry

~ as ~

Richard Lancing

Gavin Muir

~ as ~

Pilot (uncredited)