These two Downton Abbey stars are reuniting for major new series Hello! 26/02/2021 The Time Traveler's Wife. According to Deadline, the two actors will star alongside one another in HBO's drama series based on the novel by Audrey Niffenegger. The sci-fi romance drama will be adapted by former Dr. Who head writer and Sherlock co-creator Steven Moffat. WATCH: Michelle Dockery reflects on her most memorable Downton Abbey experiences The Time Traveler's Wife tells the intricate love story - via time travel - of art student Clare (Rose) and librarian Henry (Theo) who have known each other since Clare was a child and Henry was thirty-six, however, they were married when Clare was twenty-three and Henry thirty-one.