Perry Mason was one of the world's most succesful and longest-running TV detective series, running initially from from 1957 to 1966, with the series returning 1973-1974. The series was based on the novels by Erie Stanley Gardner.
The title character was played by Canadian actor Raymond Burr until 1966, when he moved CBS to Universal Studios to play the title role in Ironsides. Burr died in 1993.
Here is the intro sequence to the original version of the TV series: