Mr. Merlin: Cast Rate: –☹️ Very Bad🙁 Bad😐 Average🙂 Good😃 Excellent🤩 Super! ★ Save Rating✔ Rating Saved! Notify me: –about new episodeabout new seasonabout end of season Subscribe✔ Subscription Saved! Mr. Merlin Comedy, Family, Fantasy 10/7/81 – 3/22/82 United States GeneralEpisodesTranslationsCastCharactersGallery Cast See full cast → Barnard Hughes as Max Merlin Clark Brandon as Zachary Rogers Jonathan Prince as Leo Samuels Elaine Joyce as Alexandra Phil Morris as The Kid