Don Grady: Don Grady, Robbie on 'My Three Sons,' Is Dead at 68

Don Grady appeared on 'The Mickey Mouse Club' before playing Robbie on the popular family sitcom 'My Three Sons.' He later became a composer and songwriter.Don Grady appeared on 'The Mickey Mouse Club' before playing Robbie on the popular family sitcom 'My Three Sons.' He later became a composer and songwriter.Don Grady, who played big brother Robbie Douglas on 1960s sitcom “My Three Sons,” died Wednesday (June 27) at the age of 68.Latest Tweets about

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