Welcome to UNIT: the Unified Intelligence Taskforce, home to the largest collection of alien artefacts in the British Isles. Under the competent leadership of Chief Scientific Officer Dr Petronella Osgood, UNIT is prepared for any and all eventualities – including this so-called ‘blue box’, and the mysterious ‘Doctor’ behind it. Credits: Cleo Proctor - Charlie Craggs Abby McPhail - Lois Chimimba Shawna Thompson - Holly Quin-Ankrah The Doctor - Jodie Whittaker Petronella Osgood - Ingrid Oliver Dr Anthony Sinclair - Karim Kronfli Joel - Ken Cheng Written by Ken Cheng Additional Writing by Ella Watts Produced and Directed by Ella Watts Executive Producer: James Robinson Sound Engineer: Paul Clark Studio Assistant: Jacob Tombling Sound Design: David Thomas Additional Sound Design: Arlie Adlington Original Composition: David Devereux Production Co-ordinators: Sarah Sharpe and Sarah Nicholls Script Editor: Tasha Dhanraj Recorded at Sonica Studios, Clapham. A BBC Studios Production for BBC Sounds.