as

Doc (voice) (archive footage)

as

Self

as

Salesman

as

Mr. Pippensigal

as

Dick Saunders

as

Senator Sam H. Smiley

as

Arthur Sidney

as

Bearded Man on Ship (uncredited)

as

Professor Kockerthaler

as

Doc (voice) (uncredited)

as

Professor Washburn

as

Vale

as

Jake Eben

as

Julius Vandergulder

as

Himself

as

Jerry Sidon

as

Arthur Tirrey - Casting Director

as

Winston Gates

as

Jim Conwell

as

Harkness Boyd

as

Marmaduke Grubb

as

Theatre Play