Character Name : The Doctor

Original Name : Ncuti Gatwa

Gender : Male

Character Name : Ruby Sunday

Original Name : Millie Gibson

Gender : Female

Character Name : Kate Lethbridge-Stewart

Original Name : Jemma Redgrave

Gender : Female

Character Name : Rose Noble

Original Name : Yasmin Finney

Gender : Female

Character Name : Colonel Christofer Ibrahim

Original Name : Alexander Devrient

Gender : Male

Character Name : Morris Gibbons

Original Name : Lenny Rush

Gender : Male

Character Name : Harriet Arbinger

Original Name : Genesis Lynea

Gender : Female

Character Name : The Vlinx

Original Name : Aidan Cook

Gender : Male

Character Name : The Vlinx (voice)

Original Name : Nicholas Briggs

Gender : Male

Character Name : Susan Triad

Original Name : Susan Twist

Gender : Female

Character Name : Bailey Sinclair

Original Name : Fela Lufadeju

Gender : Male

Character Name : Melanie Bush

Original Name : Bonnie Langford

Gender : Female

Character Name : Carla Sunday

Original Name : Michelle Greenidge

Gender : Female

Character Name : Mrs Flood

Original Name : Anita Dobson

Gender : Female

Character Name : Cherry Sunday

Original Name : Angela Wynter

Gender : Female

Character Name : Colonel Winston Chidozie

Original Name : Tachia Newall

Gender : Male

Character Name : Sutekh (voice)

Original Name : Gabriel Woolf

Gender : Male

Character Name : Corporal Alice Sullivan

Original Name : Jasmine Bayes

Gender : Female

Character Name : Kind Woman

Original Name : Sian Clifford

Gender : Female

Character Name : Amol Rajan (archive footage)

Original Name : Amol Rajan

Gender : Male

Character Name : Roger ap Gwilliam (archive footage)

Original Name : Aneurin Barnard

Gender : Male

Character Name : Louise Miller

Original Name : Faye McKeever

Gender : Female

Character Name : The Doctor (archive footage) (uncredited)

Original Name : Tom Baker

Gender : Male

Character Name : Sarah Jane Smith (archive footage) (uncredited)

Original Name : Elisabeth Sladen

Gender : Female