<Li> William Olvis wrote the underscoring music for the series, except for a few episodes in season one (where he either alternated with Star Trek spin - off series composer David Bell, or co-scored with Bell) and the Revolutions movie . </Li> <Li> Jane Seymour's husband, James Keach, directed and produced numerous episodes of the show, and guest starred in the season 5 episode entitled, "The Hostage ." </Li> <Li> Due to child labor laws, the role of Katie, Dr. Mike and Sully's young daughter, was portrayed by identical triplets: Alexandria, McKenzie, and Megan Calabrese . </Li> <Li> Jane Seymour is the only cast member who appeared in every episode of the series . Shawn Toovey missed only one episode as did Chad Allen, who also did not appear in episode titled "Reunion" (Season 4), as well as the two made - for - TV movies . Joe Lando came in third, missing only a few episodes in the sixth and final season . </Li>

Who played the baby katie in dr quinn medicine woman
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