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