In celebrating the Doctor Who 50th Anniversary, BBC America will be showing An Adventure in Space and Time tonight to honor the beginnings of the show. This very special dramatization of the origins of Doctor Who is clearly a labor of love as shown in this behind the scenes featurette. The cast and cameo list is extensive, and this video is almost eleven minutes long, but hang on til the end to see the special cameo playing third doctor John Pertwee.

This behind the scenes look at the making of An Adventure in Space and Time features interviews with Carole Ann Ford (who played the Doctor’s Granddaughter), writer and executive producer Mark Gatiss, Brian Cox (Sydney Newman), Jessica Raine (Verity Lambert), David Bradley (William Hartnell), William Russell (who played Ian Chesterton), Sacha Dhawan (Waris Hussein), first director of Doctor Who, director Waris Hussein, Claudia Grant (Carole Ann Ford), Jamie Glover (William Russell), and Jemma Powell (Jaqueline Hill).

Feaurette: An Adventure in Space and Time: Behind the Scenes

An Adventure in Space and Time, starring David Bradley, Brian Cox, Jessica Raine, and Claudia Grant, airs tonight, November 22 at 9/8c on BBC America.