as Steve Zodiac / Captain Grey (voice)

as Barrington Cabot

as Capt. Calvelli

as Panama Hat

as Dr. Wallace

as Mylos

as Esterbrook

as Bill Freed

as Andrew Tolliver

as Agent Hopkins

as Lt.Gen. Geoffrey Keyes

as Van Leuwen

as Mace

as Scott Benson

as Sheepherder No. 1

as Bill Freed

as

as Captain Grey / Breck (voice)

as Captain Grey / World President / Fire Chief (voice)

as Eugene Hellman

as Buzz Wepner

as Maj. Gen. Maxwell D. Taylor

as CIA Director

as Submarine Captain

as Colonel Fischer

as

as Doctor Chilton

as Mr Baxter

as Paul

as Don Fleming

as

as Connors

as

as Lt. Jim Lewis

as CIA Man

as Capt. Baxter

as

as World President (voice)

as Captain Grey / DT19 Pilot (voice)

as Captain Grey / 1st Policeman (voice)

as Captain Grey / Guard (voice)

as General Ward (voice)

as Captain - USS Panther II (voice)

as Captain Grey / General Tiempo / Porter Benson (voice)

as Supreme Commander of Earth Forces (voice)

as Fire Chief (voice)

as Base Commander (voice)

as Captain Grey / Breck (voice)

as 1st Policeman (voice)

as Judson Murphy

as Jim Perkins

as Captain Paul Travers (voice)

as Lieutenant John E Donovan

as

as Captain Paul Travers

as Mike Foster

as Al Stevens

as Major Smith

as

as Bud Fredericks (uncredited)

as Bill Martin

as Commander Spelling U.S.N.

as C.M.A.A.

as

as Kolben

as

as Craig Owen

as Lt. Cmdr. Bill Hallohan

as

as Maj. Russell

as Jeffrey Clayton

as

as Mike, assistant coroner

as Jim Landry

as Andy Markham

as

as

as Detective Sgt. Singer

as Lab Technician

as Saul

as