Pierre

Detective Sergeant Bob Mackett

Petty Officer, George Trevallion, Captain Hawkins, Spanish Guard, Capt. Delacour, Sailor, Sentry, Captain Harding, Merchant Capt. Hawkins, Spanish Soldier, Doughty Son, Thompson, Pirate, Hicks, Landlord, Guard, Mingo, Pirate Mate, Constable Willard, Bowles, Lieutenant, Harkness

George Campbell

Officer of the Watch

Fritz

Police Inspector

Brennan

Gutman

TV engineer

Petrol Station Manager (uncredited)

President of the Council, Chief Prison Officer Powers

Elder d'Artagnan

Alcinoo

Alcino

Sgt. Purdie

Dr. Barton

Dr. Webb

Chief Prison Officer Powers

President of the Council

Motorist

Vitellius

Controller

Sir Charles

Richardson

Voice

Senator

Mr. Renoult

President (archive footage)

President of the Council