as Doc (voice) (uncredited)
as Mr. Pippensigal
as Arthur Tirrey - Casting Director
as Professor Kockerthaler
as Bearded Man on Ship (uncredited)
as Jerry Sidon
as Doc (voice) (archive footage)
as Himself
as Professor Washburn
as Salesman
as Arthur Sidney
as Senator Sam H. Smiley
as Vale
as Dick Saunders
as Harkness Boyd
as Jim Conwell
as Marmaduke Grubb
as Winston Gates
