as Academy Awards Attendee (uncredited)
as Mr. Hillman
as Chief of Police (uncredited)
as District Attorney (uncredited)
as Senator (uncredited)
as Dr. Matthias (uncredited)
as Man Outside the Club (uncredited)
as Dr. Randolph
as Dr. Pelham
as Mailman (uncredited)
as Parole Board Member (uncredited)
as Naturalists' Conference Chairman
as U.S. Secretary Platt
as Mr. Creely (uncredited)
as Farmer (uncredited)
as Member of the Tribe
as Professor Graftner
as Professor Krantz
as Sam Foster
as Headwaiter (uncredited)
as Walt Beck
as Mutate Council Leader
as Doc Kemper
as Malcolm Smith [Ch. 10]
as Paul Gordon
as Lowell
as Dr. Graffner
as The Commissioner
as Ben Williams
as Marshal Hunt
as Judge Murdock
as First Explorer
