Don Grady, Robbie on ‘My Three Sons,’ Dies at 68

An original Mouseketeer, Don Grady went on to a music career after his stint on "My Three Sons" and a host of other TV series

Don Grady, who played Robbie Douglas on the TV show "My Three Sons" and was one of the Mickey Mouse Club's original Mouseketeers, died Wednesday. 

He was 68.

"My dear friend and TV brother Don Grady passed away today," posted his "My Three Sons" co-star Barry Livingston. "He was an inspiration to me in so many ways." Livingston played Ernie on the show. 

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Born Don Louis Agrati in in 1944, Grady was best known for his role as one of the sons on the long-running series, which co-starred Fred MacMurray and William Demarest. Grady wrote some of the episodes and performed some of his own songs.

He appeared in a number of TV series, including "The Ann Southern Show," "Zane Grey Theater," "The Rifleman," "The Lucy Show" and "Simon and Simon."

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Grady, who was signed to a composing, writing and singing contract by Capitol Records when he was 19, went on to a career as a composer following his TV career. He did the music for the  Blake Edwards comedy "Switch," the theme song for "The Phil Donahue Show" and music for the Las Vegas stage show "EFX."

He released two albums, "Boomer: JazRokPop" in 2008 and "Homegrown," via Elektra Records in 1973.

For the record: An earlier version of this article included incorrect information about Don Grady's role. It has been corrected.