as Judge Murdock

as Doc Kemper

as Dr. Matthias (uncredited)

as District Attorney (uncredited)

as Member of the Tribe

as Dr. Randolph

as Marshal Hunt

as Mailman (uncredited)

as U.S. Secretary Platt

as

as Mr. Hillman

as Academy Awards Attendee (uncredited)

as Lowell

as The Commissioner

as Naturalists' Conference Chairman

as First Explorer

as Man Outside the Club (uncredited)

as Mutate Council Leader

as Dr. Pelham

as Malcolm Smith [Ch. 10]

as Mr. Creely (uncredited)

as Dr. Graffner

as Professor Krantz

as Sam Foster

as Ben Williams

as Headwaiter (uncredited)

as Parole Board Member (uncredited)

as Farmer (uncredited)

as Walt Beck

as Senator (uncredited)

as Paul Gordon

as Chief of Police (uncredited)

as Professor Graftner