Masters of the Universe
Alan Oppenheimer provided the voice of Skeletor in the 1983 original series, the 1985 She-Ra series and all related material to the two shows, including The Secret of the Sword animated film. In the 1986 live action movie, he is portrayed by Frank Langella. In the 1989 series, he is voiced by Campbell Lane. Brian Dobson provided Skeletor's voice in the 2002 series. In Revelation, he is voiced by Mark Hamill. In the 2021 series, Ben Diskin voiced the character.