Roy Atwell - Cast

Played Doc (voice) (uncredited)

Played Arthur Tirrey - Casting Director

Played Professor Washburn

Played Bearded Man on Ship (uncredited)

Played Salesman

Played Mr. Pippensigal

Played Professor Kockerthaler

Played Arthur Sidney

Played Himself

Played Winston Gates

Played Jim Conwell

Played Jake Eben

Played Dick Saunders

Played Harkness Boyd

Played Julius Vandergulder

Played Vale

Played Jerry Sidon

Played Senator Sam H. Smiley

Played Doc (voice) (archive footage)

Played Marmaduke Grubb

Played Horace Kane

Played Announcer