Don Grady: 1944-2012

Actor Don Grady, who was one of television's most beloved big brothers as Robbie Douglas on the long-running 1960s hit "My Three Sons," died June 26, 2012, at his home in Thousand Oaks, Calif. Grady, 68, had been suffering from cancer and receiving hospice care.

From left, Barry Livingston, Stanley Livingston and Don Grady of "My Three Sons" pose backstage at the TV Land Awards 2003 at the Hollywood Palladium on March 2, 2003, in Hollywood, Calif. Grady, whose real name was Don Agrati, got his start as one of the Mickey Mouse Club's original Mousketeers.

A publicity shot for "My Three Sons" shows the cast, from left, Fred MacMurray, Stanley Livingston, Don Grady, Barry Livingston and William Demarest.

From left, Stanley Livingston, Barry Livingston and Don Grady of "My Three Sons" pose backstage at the TV Land Awards 2003 at the Hollywood Palladium on March 2, 2003, in Hollywood, Calif.

A musical prodigy from a young age, Grady appeared with a band, the Greefs, in the series, and in real life played drums for The Yellow Balloon, who had a minor hit with a self-titled song in 1967. He released an album, called "Homegrown," in 1973. Four years ago, he put out another set about the baby boomer generation, titled "Boomer."