Adm. Duke
Admiral Henshaw
Bailiff
N.A.S.A. Man
Mr. Ralston
Reporter
Earl Brewster
Airline Co-Pilot
Policeman
Wyron Serper
Agent
Del Goren (uncredited)
Secret Service Man (uncredited)
Jonathan's Captain of Guard (uncredited)
TMA-1 Site Photographer (uncredited)
Army Doctor (uncredited)
Hotel Receptionist
Seaman 1st Class - Bridge
Dale Meredith
Mandrake' aide (uncredited)