Don Grady was an American actor and musician. He was best known as one of the Mouseketeers on the Mickey Mouse Club, and as Robbie Douglas on the long-running ABC / CBS television series My Three ...

Don Grady, who was one of television's most beloved big brothers as Robbie Douglas on the long-running 1960s hit "My Three Sons," has died. He was 68.

Don Grady, who played Robbie Douglas on "My Three Sons" after serving as one of "The Mickey Mouse Club's" original Mouseketeers and went on to a career as a musical performer and composer for ...