as

Steve Zodiac / Captain Grey (voice)

as

Barrington Cabot

as

Capt. Calvelli

as

Panama Hat

as

Dr. Wallace

as

Mylos

as

Esterbrook

as

Agent Hopkins

as

Andrew Tolliver

as

Bill Freed

as

Van Leuwen

as

Mace

as

Lt.Gen. Geoffrey Keyes

as

Sheepherder No. 1

as

Scott Benson

as

Bill Freed

as

Captain Grey / Breck (voice)

as

Captain Grey / World President / Fire Chief (voice)

as

Buzz Wepner

as

Maj. Gen. Maxwell D. Taylor

as

Submarine Captain

as

CIA Director

as

Mr Baxter

as

Paul

as

Doctor Chilton

as

Connors

as

Don Fleming

as

CIA Man

as

Lt. Jim Lewis

as

Jim Perkins

as

Judson Murphy

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

Captain Paul Travers (voice)

as

Mike Foster

as

Captain Paul Travers

as

Lieutenant John E Donovan

as

Al Stevens

as

Major Smith

as

C.M.A.A.

as

Bud Fredericks (uncredited)

as

Bill Martin

as

Commander Spelling U.S.N.

as

Craig Owen

as

Lt. Cmdr. Bill Hallohan

as

Jeffrey Clayton

as

Maj. Russell

as

Mike, assistant coroner

as

Jim Landry

as

Andy Markham

as

Colonel Steve Zodiac (voice)

as

Colonel Steve Zodiac / Mrs Doughty (voice)

as

Eugene Hellman

as

Colonel Fischer

as

Capt. Baxter

as

Kolben

as

Colonel Steve Zodiac (voice)

as

Detective Sgt. Singer

as

Lab Technician

as

Saul