Tennant, 39, and Miss Moffett, who has an eight-year-old son from a previous relationship, are said to be keen to marry on New Year’s Day next year.
That will be exactly two years after the Scottish star made his final appearance as the Doctor before handing the role over to Matt Smith.
David Tennant, the tenth Doctor Who, has become engaged to the daughter of the fifth Doctor, Peter Davison.
Georgia Moffett, who turned 26 on Christmas Day, met her fiance when she had a guest role in a 2008 episode – playing the Doctor’s daughter, Jenny.
The actress, who also had a regular role in The Bill, gave birth to her son Tyler in 2002, when she was 17.They, too, met on set - when Miss Myles played Madame de Pompadour in a 2006 Dr Who episode.Miss Moffett played the Time Lord's child Jenny in episode six of the current series entitled The Doctor's Daughter and while it was a one off appearance, the opportunity for her to return in later shows has been left open.New love: The couple have been quietly dating over the last few weeks, according to friends Weeks earlier, he split with another BBC Wales staff member, Bethan Britton after a four-month relationship.When the pair met she had been working in the corporation's contracts office in the city when they met.
Low-key: David Tennant and his new girlfriend Georgia Moffett leave his north London home on Saturday morning Tennant, 37, and Miss Moffett were photographed leaving his North London houseafter spending the night there on Friday, before meeting on Saturday night at her West London home. He has a record for romancing his leading ladies and members of the film crew and his relationship with Miss Moffett is merely the latest in line of on-set liaisons on Doctor Who.