She's been a vamp, a vixen, a medicine woman, royalty and she's even tried Dancing with the Stars. Now she will solve crimes. The Hallmark Channel has greenlit Dear Prudence, a Jane Seymour crime-solving Martha Stewart-type celebrity. They're calling this a backdoor pilot because Hallmark doesn't do series TV; however, if the movie were to be successful, it could become one of a rotation of star-driven mystery movies that Hallmark currently presents.