Gerrit Graham

as Mr. H.

as Oliver Most

as Warren Whitcomb

as Mr. Vogel

as Arthur

as Lipsky

as Dr. Sam Helburn

as Dr. William Mailer / Friedrich Mahler

as Mapes

as Lewis Crandall

as Phil Simpson

as Stanley Hoyle

as Stan Garrett

as Bud

as Ace

as Norvell Walker

as Ralston

as Technician Nessler

as Billy Morrison

as Curt

as Stanley Putterman

as Carson

as Parker Braithwaite

as Rodzinski

as Bob Spinnaker

as Ray Track

as Jeff

as James Byrd

as The Fisherman

as Highpockets

as Walter Gabler

as Swivot

as Perman Waters

as Freddie

as Magic Ray

as Daniel

as Curley

as Beef

as Ape Suited Party Guest

as Gerrit Wood

as Lloyd Clay