David Graham has passed away. 

His acting career spanned over seventy years and his work has impacted many childhoods. His first voice acting work was on the British children's television series Four Feather Falls in 1963. From there he performed voice work in Supercar and Stingray. He notably played Mat Matic and Lieutenant Ninety in Fireball XL5. Alongside fellow voice actor Peter Hawkins, Graham co-originated the voice of the Daleks on the original Doctor Who series. One of his most iconic performances was providing the voice for Big Brother in the Apple Mac: 1984 short.

One of his favorite cartoon franchises to work with was Thunderbirds. He voiced four of the main characters: Gordon Tracy, Brains, Aloysius Parker, and Kyrano. He appeared in the original series and spinoff movies, and he even returned for the reboot Thunderbirds are Go where he reprised his role as Parker and also voiced Braman and Vic. He retired from the Thunderbirds series in 2021.

Most recently, Graham's voice acting career took him to one of the most popular children's television shows of all time: Peppa Pig. He played Grandpa Pig.

The news of Graham's death was broken by the X account for Thunderbirds creator Gerry Anderson, which read: "We’re incredibly sad to confirm the passing of the legendary David Graham. The voice Parker, Gordon Tracy, Brains and so many more. David was always a wonderful friend to us here at Anderson Entertainment. We will miss you dearly, David. Our thoughts are with David’s friends and family."

The voice actor was 99 years old.