John Tracy / The Hood (voice)

Self

Ramsden

Commander Sam Shore (voice)

Bill Perry

Old Cliff

Tarquin St John Smythe

Maurice Stubbs

Cam

Jack Dunne

Brian Connor

Dwyer

Wal Moynihan

Old Burkey

Frank

President of the Bench

J.L. Weston

Bael

Harry Benson

Bubbles

MacLeary

Geoffrey

Cole

Narrator

Sam Elliott

Michael Stacey

F.C.O. Webster

John Tracy / U.S.N. Sentinel Commander / Compère / 1st Site Control Policeman (voice)

Colonel Harris / Colonel Benson / Rick O’Shea (voice)

Commander Sam Shore / Sub-Lieutenant John Horatio Fisher / King Titan / Various Characters (voice)

John Tracy / The Hood / Lieutenant Burroughs / Patterson (voice)

Parnell

Commander Shore / Sub-Lieutenant Fisher / Titan (voice)

Farrell

Jack Deakin

Dr. McLeod

Mal

Joe Blake

John

Barrett

Cates

Button moulder

Harry

Australian

John Tracy / Scobie / Harman / Security Chief Joe (voice)

John Tracy / The Hood (voice)

Rick O'Shea (voice)

Francois Lemaire / Captain Saville / Lieutenant Burroughs / Collins (voice)

John Tracy / Jansen (voice)

John Tracy / Atom Sub Reefer Captain / TV Reporter (voice)

Eddie Houseman / J.B. Lester / Colonel Harris / Fireflash Co-Pilot / Assistant Controller / Bridge Controller (voice)

John Tracy / Cass Carnaby / Commander, Matthews Field / Radio Maxwell DJ (voice)

John Tracy / The Hood / Goldheimer / Martian Ray / Brian (voice)

John Tracy / Dr. Orchard (voice)

Harry George Spalding

Selsden / 2nd Investor / Joe (Patrol 304) / Crook with Machine Gun (voice)

John Tracy / Deborah, Duchess of Royston / Brophy / Fireflash Co-Pilot / Percy's Friend (voice)

Johnny Gillespie / Kenny Malone / Parola Sands Announcer (voice)

John Tracy / Captain Johnson / Sir Arthur / TV Reporter / Pioneer Base, Port London (voice)

John Tracy / The Hood / Williams (voice)

John Tracy / MI.5 Agent Bondson / Ritter (voice)

John Tracy / General Lambert / Jenkins / Hale / Fireflash Co-Pilot / Colonel (voice)

John Tracy / Joe Carter (voice)

John Tracy / The Hood / Reactor Controller Wade / General Speyer / Fire Chief / Guard (voice)

John Tracy / Lovegrove (voice)

John Tracy / Lieutenant Burroughs / Fireflash Co-Pilot Bob / Saboteur (voice)

Colonel Harris / Colonel Benson (voice)

John Tracy / Wilson / Zombite Guard (voice)

John Tracy / Eddie Houseman / J. B. Lester (voice)

The Hood / John Tracy (voice)

John Tracy / Southern (Tiger Four) / Officer Flanigan / Stranger (voice)

John Tracy / Allington Bridge Controller / Kirby / Dr R. G. Korda (voice)

The Hood / Stan / Control Tower Lieutenant / 2nd Policeman (voice)

USN Sentinel Commander / Policeman / NTBS Newsreader / TV Compère (voice)

Dr. Godber (voice)

John Tracy / Colonel Sweeny / Lieutenant Mead (voice)

John Tracy / The Hood / Alan Tracy / Fireflash Co-Pilot / Assistant Controller / Harris / TX 204 Pilot (voice)

Bennett / Koquillion

Health Inspector Bennett

Henry Fraser

Sgt Gorman

Sammy

Maxwell

Man at Pub / Two-Up Game (uncredited)

Agent