Ian McDiarmid (born 11 August 1944) is a Scottish actor and director best known for portraying Emperor Palpatine in the Star Wars film series. He has received an Olivier Award for Best Actor and a Tony Award for Best Featured Actor in a Play for his performances. Wikipedia
Basil embarks on the greatest case of his career when London's master toymaker is kidnapped. He ends up pitting his wits against his old adversary, Professor Ratigan, who wants to become "supreme ruler of all mousedom".