Brian Trueman (16 May 1947 - 1 September 2024) voiced, narrated and wrote several shows for Cosgrove Hall: He is also best known for writing episodes of Budgie the Little Helicopter. He died of a short illness at the age of 92.
- Cockleshell Bay 1980-1986 (Narrator)
- Danger Mouse 1981-1992 (Stiletto Mafiosa and other roles)
- Alias the Jester 1985-1986 (King Arthur, The Black Najjir)
- The Wind In The Willows 1983 film and TV series 1984-1990 (Weasel Henchman and other roles)
- Count Duckula 1988-1993 (Nanny, Dmitri the Bat and other roles)
- Victor and Hugo: Bunglers in Crime 1991-1992 (Various roles)
- Truckers 1992 (Dorcas)