When Zaroff is discovered dead from an excess of ether , Quentin is immediately suspected .
Pacifist surgeon Sir James Quentin ( Sebastian Shaw ) operates on Zaroff ( Meinhart Maur ) , the inventor of a lethal weapon to be used against the Allies in the war .
When inventor is discovered dead from an excess of ether , surgeon is immediately suspected .
Pacifist surgeon Sir James Quentin ( Sebastian Shaw ) operates on Zaroff ( Meinhart Maur ) , the inventor of a lethal weapon to be used against the Allies in the war .