Remains in the TARDIS initially, then enters Troy where she is renamed Cressida and becomes a court favorite. Imprisoned alongside Steven, she is later released by King Priam, helps Steven escape, and ultimately abandons the Doctor to flee with Troilus.
Companion who contacts the enslaved Xerons and aids their revolutionary plans. Successfully outwits the armoury's controlling computer to secure weapons for the uprising.
Barrie’s wife, who resents his neglect and the attention he gives to the Davies family. She falls in love with Barrie’s young colleague Gilbert Cannan and has an affair. When she refuses to end it, Barrie reluctantly grants her a divorce, marking the breakdown of their marriage.
Maureen O'Brien has 36 screen credits in a career dating back to 1963. Signature works include Doctor Who: The Storyteller, Doctor Who: Galaxy 4, Doctor Who: The Time Meddler. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
