The Wild Man of Borneo

Frank Morgan

as J. Daniel 'Dan' Thompson

Mary Howard

as Mary Thompson

Billie Burke

as Bernice Marshall, Boardinghouse Keeper

Donald Meek

as Professor Charles W. Birdo

Marjorie Main

as Irma, the Cook

Connie Gilchrist

as Mrs. Evelyn Diamond

Bonita Granville

as Francine 'Frankie' Diamond

Dan Dailey

as Ed LeMotte (as Dan Dailey Jr.)

Andrew Tombes

as 'Doc' Dunbar

Walter Catlett

as 'Doc' Skelby

Joseph J. Greene

as Mr. Robert Emmett Ferderber, Private Detective

Phil Silvers

as Murdock, Side Show Barker

Irving Bacon

as Carriage Driver (uncredited)

James Flavin

as Policeman (uncredited)

Mayta Palmera

as Little Cairo (uncredited)

Betty Farrington

as Little Lady Buying Soap (uncredited)

William Tannen

as Actor in Film Scene (uncredited)

Kaaren Verne

as Actress in Film Scene (uncredited)