Dudley Knight was was an American voice, speech, and dialect expert and stage and television actor. He is best known for Pentathlon, The Autobiography of Miss Jane Pittman, The Candidate, and Two is a Happy Number. Other film credits include The N-Town Passion, First Monday in October, First Family, and The Man Who Could Talk to Kids.

Theatre credits include Lord Summerhays in Misalliance (Olney Theatre); Oscar Strelow/Others in Eventide (Denver Theatre); Galileo in Galileo (Harriet S. Jorgensen Theatre); Earl of Gloucester in King Lear (Schubert Theatre); and Ivan Petrovich Vosmibratov in The Forest (F.M. Kirby Shakespeare Theatre).