Delk learned a knack of acting from his mother, who read bedtime stories to him and had done all voices of characters.
After getting education at University of St. Andrews,[1] he worked as a disc jockey and later got in radio, and then into commercials.
[2] In the 1970s he worked with George Lucas for first time, playing a minor role in More American Graffiti for Lucasfilm.
[4][5] Then, in 1992, he became associated with LucasArts, voicing the "talkie" version of Indiana Jones and the Fate of Atlantis.
He continued working for LucasArts as in-house actor, voicing many roles in their games, although players know Delk most for playing the talking skull Murray from Monkey Island series of quests.