David Scott Ashton is a Scottish actor and writer. Trained at the Central School of Speech and Drama in London, 1964–67, he has acted in a wide variety of film, television, theatre and radio roles. He has also developed a parallel career as a writer of fiction, film and television screenplays and plays for theatre and radio. His radio play The Old Ladies at the Zoo, which starred Peggy Mount and Liz Smith, won the Radio Times Drama Award in 1985.

The Voyage of Charles Darwin was a 1978 BBC television serial depicting the life of Charles Darwin, focusing largely on his voyage on HMS Beagle. The series encompasses his university days to the 1859 publication of his book On the Origin of Species and his death and is loosely based on Darwin's own letters, diaries, and journals, especially The Voyage of the Beagle and The Autobiography of Charles Darwin. It starred Malcolm Stoddard as Darwin and Andrew Burt as Captain Robert FitzRoy.