Graham was the voice behind characters on iconic shows over the last 50 years Voice actor David Graham has died. He was 99. The star was best known for voicing Grandpa Pig on the animated show Peppa Pig from 2004 to 2021 and the character Aloysius Parker in the 1960s family adventure series Thunderbirds.

Actor David Graham, who voiced characters in shows including Doctor Who, Peppa Pig and Thunderbirds has died aged 99. Born in London in 1925, Graham initially worked in the Royal Air Force as a radar mechanic before pursuing an acting career after studying at the Neighborhood Playhouse School of the Theatre in New York.