FILE - JUNE 28:  Actor Don Grady, former Mouseketeer and Robbie on &quot;My Three Sonsâ€™&quot;, died after a four-year battle with cancer June 27, 2012 at his home in Thousand Oaks, California.  He was 68.

HOLLYWOOD - MARCH 2:  Barry Livingston, Stanley Livingston, and Don Grady of &quot;My Three Sons&quot; pose backstage at the TV Land Awards 2003 at the Hollywood Palladium on March 2, 2003 in Hollywood, California.  (Photo by Robert Mora/Getty Images) Photo: Robert Mora, Getty Images