The actor played the Time Lord's companion - but says she struggled with confidence earlier in her career.
The former 'Doctor Who' star said while he appeared to be holding things together at work, he suffered a mental health collapse in one night.
The 'Doctor Who' star will not return to the judging panel of the celebrity skating contest after serving for just two series.
The 31-year-old British actor and comedian had been missing for four days in Los Angeles and has been taken to hospital as a precaution.
Matt Smith played the Doctor from 2010 until 2013 and has some suggestions for who should fly the Tardis next.
The former Time Lord said the sets and costumes on 'Doctor Who' are all held together with duct tape and Velcro.
The first-look scenes from series 13 contain some new but familiar faces.
The 'It's A Sin' star has given a hilarious response to reports he will be the 14th Time Lord.
Scott Gill said the couple have had a challenging three weeks since Barrowman was accused of exposing himself on the set of 'Doctor Who'.
John Barrowman has been removed from a Doctor Who Live event after admitting that he exposed himself on set of the sci-fi drama.
The Conservative politician said ITV 'shouldn't be willing to indulge this behaviour' by continuing to give work to John Barrowman.
One woman told The Guardian that exposing himself on set was 'accepted' as Barrowman's 'thing'.