The series will be the first to star Peter Capaldi as the Twelfth Doctor, and will co-star Jenna Coleman as Clara Oswald in her first full series. The series is set to open with a feature length episode titled "Deep Breath". The season features guest stars including Michelle Gomez (Bad Education, Green Wing) as the Gatekeeper of the Nethersphere, Foxes (Grammy award winning singer/song writer), Frank Skinner (Room 101), Ben Miller (Armstrong and Miller), Tom Riley (Da Vinci's Demons, Freezing), Keeley Hawes (Line of Duty) and Samuel Anderson (History Boys, Gavin & Stacey) as Danny Pink.