Reparto (17)
Howard DuffDave Pomeroy
Linda CristalDr. Paula Stevens
Stephen McNallyJames Kincade
Nehemiah PersoffAugust Best
Anne JeffreysMyra Pryor
Oscar Beregi Jr.Dr. Paul Cerbo
Gregory MortonSteadman
Dennis HopperGoff
George BarrowsErnest
John HoytDr. Milton Becker
Steve FrankenHal Johnson
Mike FarrellDick Blaine
Stanley ClementsAlbert
Rush WilliamsReporter
Wesley LauLt. Brady
Eilene JanssenInformation Clerk
George SawayaKarl Sinden (Mr. X)