James Nolan

Dr. Melplash

Unknown

Albert Bitterling

Dev Tarrant

Doctor

Virgil Tracy / Cravitz (voice)

Virgil Tracy / Operator Power / Tom (voice)

Captain Ocher / Angelini / Control / Shroeder / Kurnitz / Human Captain Black (voice)

General / Officer / Lieutenant / Tanker / Hunter 2 / B107 Co-Pilot Hal / 2nd Russian (voice)

Captain Ochre / Jackson / Human Captain Black / Various Characters (voice)

Captain Ochre / Jackson / Human Captain Black / Various Characters (voice)

Captain Ochre / Jackson / Human Captain Black / Various Characters (voice)

Artillery Officer

Unknown

Eric Mackay

Insp. Lars Bergen

Army Captain

Geoff

Gordon Maxwell

Skydiver Navigator Lt. Gordon Maxwell

Unknown

The Bishop / Various Characters (voice)

Virgil Tracy / Hogarth (voice)

Captain Ochre / Lookout Warden (voice)

Captain / Security Man (voice)

Senior Cadet Joe Johnson (voice)

Control (voice)

Lieutenant Burroughs / Radio Announcer (voice)

Captain Ochre / 2nd Medical Student / Radiographer (voice)

Human Captain Black / Delta Garage Attendant / Radio Announcer (voice)

Dr. Denton / Spectrum, New York (voice)

Captain Ochre / Dr. Kurnitz / Human Captain Black (voice)

Captain Ochre (voice)

Captain Ochre / 3rd Policeman / 5th Policeman / Radio Announcer (voice)

3rd Policeman / Shroeder (voice)

Dr. Giadello (voice)

Captain Ochre / Reporter Harry (voice)

Colonel Storm / Robot (voice)

Captain Ochre / Guard 2 (voice)

Rhodes (voice)

Dr. Sommers (voice)

Andre Verdain / Commissionaire (voice)

Captain Ochre / Director General Xian Yoh / Director General's Double (voice)

Major Gravener (voice)

Jackson (voice)

Captain Ochre / Barman (voice)

Morton / Distillery Attendant (voice)

Shroeder (voice)

Angelini (voice)

Kinley (voice)

Pilot (voice)

Captain Ochre / Tribune Control Operator (voice)

Manny

Virgil Tracy / Dr. Pringle / Saunders / TV Reporter / 1st Santa (voice)

Virgil Tracy / Space Exploration Center President (voice)

Virgil Tracy / Power / DJ Tom (voice)

Virgil Tracy / Senor Faccini (voice)

Virgil Tracy / Mason / D103 Pilot / 1st Reporter (voice)

Virgil Tracy / Peterson (voice)

Virgil Tracy / Dick O'Shea / Cravitz (voice)

Unknown

Unknown

Virgil Tracy (voice)

Inspector Ronet

Kellman

Captain Andrew Lamont, MC

Harry Pilbeam

Freddie