Death Summary: Jack Klugman died at the age of 90 of causes that were not immediately made public. Though he had dealt with cancer in the past, this was reportedly not something he was battling with at the time of his death.

Who was Jack Klugman : Jacob Joachim "Jack" Klugman was an actor best known for his role as Oscar Madison on The Odd Couple. He also stared in Quincy, M.E. and in various movies and television shows.

Categories: Actors.