Betty White has been the star of, guest starred on or appeared as herself [if talk shows are included], on 79 TV shows.
Rupaul is most famous as a musician, drag queen model and actor. He has released five studio albums so far and appeared in a number of movies and TV shows.
Christopher Lambert has appeared in over thirty television shows. The most recent of these is NCIS:LA. Previously, he has appeared in such shows as Blood Shot.
Chino XL is an American rapper and actor, who is also a bodybuilder and a member of MENSA. He has appeared in the TV shows "Reno 911" and "CSI Miami".
Rupaul is most famous as a musician, drag queen model and actor. He has released five studio albums so far and appeared in a number of movies and TV shows.
Romany Malco is probably most famous for being an American actor. He is also a music producer and has tried his hand at rapping. He has appeared in the TV shows 'Weeds' and 'No Ordinary Family'.
Max Graves was born Walter William Bygraves on October 16, 1922. He was an English actor, comedian, singer and variety performer. He appeared in his own TV shows.
Victor Webster is an actor who has appeared in over two dozen television shows and movies. His most famous roles were in 'Charmed' as the character Coop and 'Mutant X' as the character Brennan Mulwray.
Voice Actor Frank Welker has been part of the main cast of 122 TV shows and guest starred in 85 others for WELL over a thousand episodes of television. This may not be the final answer but it the best answer I can find.
English comedic actor Max Wall was most famous for work in the United Kingdom in the 1930's. Wall's best known film was 1938's Save a Little Sunshine and appeared on TV shows such as Crossroads and Coronation Street.
Adrian Kayvan Pasdar is an actor who has appeared in a number of television shows and movies. Among the most famous of his works are Heroes and Desperate Housewives. More recently he has voiced Iron Man in the animated show Avengers Assemble.
Actor Penn Badgley has appeared in a number of TV series, most recently in the hit show "Gossip Girl" as part of the main cast, as the character Daniel Humphrey.