Comedic actor Martin Mull died at the age of 80 on Thursday. The star, who played Colonel Mustard in Clue, Roseanne’s boss ...
"Arrested Development" and "Roseanne" actor Martin Mull has died ... As for his film projects, Mull played Colonel Mustard in ...
Mull had numerous guest-starring roles ... He then landed the role of army officer Colonel Mustard in the black-comedy film Clue, inspired by the board game of the same name.