Peter Davison is on a new journey to discover everything he can about the Doctor's Companion. What exactly is a companion's role, how do you actually become a companion, what do they have in common and how have the companions changed over the years?
Peter Davison
Self / The Doctor (archive footage)
Freema Agyeman
Self / Martha Jones (archive footage)
Colin Baker
Self / The Doctor (archive footage)
Tom Baker
Self / The Doctor (archive footage)
John Barrowman
Self / Captain Jack Harkness (archive footage)
Peter Capaldi
Self / The Doctor (archive footage)
Nicola Bryant
Self / Peri Brown (archive footage)
Noel Clarke
Self / Mickey Smith (archive footage)
Gavin Conrad
Jenna Coleman
Self / Clara Oswald (archive footage)
Janet Fielding
Self / Tegan Jovanka (archive footage)
Martin Friend
