Following this week's news Diana Rigg will be appearing in the new series of Doctor Who, we asked you to tell us which guest star you're most looking forward to.

The BBC have confirmed that Game of Thrones star Liam Cunningham will appear in the fifth series of Merlin.

Liam Cunningham plays President Richard Tate in BBC One's new space drama Outcasts, which begins next week, set on a recently-discovered life-sustaining planet.

Set on a recently-discovered life-sustaining planet, new space drama Outcasts begins on BBC One next month, starring Liam Cunningham (Clash Of The Titans) as President Richard Tate.

BBC One have revealed the cast for epic new space drama Outcasts, including Hermione Norris (Spooks), Daniel Mays (Ashes To Ashes) and Jamie Bamber (Battlestar Galactica).