Downton Abbey Star Expecting First Child Downton Abbey star Allen Leech has announced that he and his wife Jessica are expecting their first child. He had no choice but to reveal the news once he and his wife hit the red carpet and she had a noticeable baby bump. Leech, who plays Tom Branson in the TV show and the movie, revealed that his wife is five months pregnant. Do you have plans to see the Downton Abbey movie?