Matt Lucas

Nardole

Nonso Anozie

Voice of Hydroflax (voice)

John Hurt

The Doctor (War) (picture) (uncredited)

David Tennant

The Doctor (10) (picture) (uncredited)

Phillip Rhys

Ramone

Tom Baker

The Doctor (4) (picture) (uncredited)

Paul McGann

The Doctor (8) (picture) (uncredited)

Peter Capaldi

The Doctor

Greg Davies

King Hydroflax

Sylvester McCoy

The Doctor (7) (picture) (uncredited)

Christopher Eccleston

The Doctor (9) (picture) (uncredited)

Peter Davison

The Doctor (5) (picture) (uncredited)

Alex Kingston

River Song

Chris Lew Kum Hoi

Alphonse

Patrick Troughton

The Doctor (2) (picture) (uncredited)

Robert Curtis

Scratch

Sydney Newman

Creator

Anthony Cozens

Concierge

William Hartnell

The Doctor (1) (picture) (uncredited)

Jon Pertwee

The Doctor (3) (picture) (uncredited)

Colin Baker

The Doctor (6) (picture) (uncredited)

Steven Moffat

Executive Producer

Rowan Polonski

Flemming

Nicolle Smartt

Receptionist

Liam Cook

King Hydroflax's Body

Clem So

Starline Galactic Villain (uncredited)

Brian Minchin

Executive Producer

Douglas Mackinnon

Director