W. Morgan Sheppard is an actor and voice actor for film, television and video games. He is known for recurring voice-acting roles in the TV animated series' The Legend of Prince Valiant, Biker Mice from Mars and Disney's Gargoyles. Video gamers and Nintendo fans know him as the voice of the character John Adams in the Wii game The Conduit. He did not reprise the role in Conduit 2.

His son is actor Mark Sheppard, who also supplied voice work for The Conduit.