Dr. Hans Reinhardt
Dr. Alex Durant
Captain Dan Holland
Lieutenant Charles Pizer
Dr. Kate McCrae
Harry Booth
Captain S.T.A.R. (as Tommy McLoughlin)
Sentry Robot (uncredited)
V.I.N.CENT. (voice) (uncredited)
Drone with Mask Removed (uncredited)
B.O.B. (voice) (uncredited)