London at the turn of the century. Three men are on a mission from the IRA to steal all the gold in the vaults of the Bank of England. Norgate, their leader, discovers the bank's weak spot: an old forgotten sewer straight under the vaults.
Aldo Ray
Elizabeth Sellars
Peter O'Toole
Kieron Moore
Albert Sharpe
Joseph Tomelty
Wolf Frees
John Le Mesurier
Miles Malleson
Colin Gordon
Andrew Keir
Hugh Griffith
Arthur Lowe