During the 1950s, he appeared on British television in the series Colonel March of Scotland Yard, in which he portrayed John Dickson Carr's fictional detective Colonel March, who was known for solving apparently impossible crimes. Christopher Lee appeared alongside Karloff in the episode "At Night, All Cats are Grey" broadcast in 1955.Johnson, Tom (2009). The Christopher Lee Filmography: All Theatrical Releases, 1948–2003. p. 79. McFarland. A little later, Karloff co-starred with Lee in the film Corridors of Blood (1958).
during the 1950s he appeared on british television in the series colonel march of scotland yard in which he portrayed john dickson carr's fictional detective colonel march who was known for solving apparently impossible crimes christopher lee appeared alongside karloff in the episode "at night all cats are grey" broadcast in 1955johnson tom (2009) the christopher lee filmography all theatrical releases 1948–2003 p 79 mcfarland a little later karloff co-starred with lee in the film corridors of blood (1958)