Corridor of Mirrors was the first film for the character actor of what nationality?
Corridor of Mirrors (film):  It is notable as being both Terence Young's and Christopher Lee's first film. Christopher Lee: Sir Christopher Frank Carandini Lee {'1': ", '2': ", '3': ", '4': "} (27 May 1922 – 7 June 2015) was an English character actor, singer, and author.
English