He continued to act on stage , but much of his film and television work after 2000 was as voice talent .
Knotts was recognized in 2000 with a star on the Hollywood Walk of Fame .
Knotts continued to act on stage , but much of Knotts ' film and television work after 2000 was as voice talent .
Knotts was recognized in 2000 with a star on the Hollywood Walk of Fame .