Peter Capaldi

The Doctor

Alex Kingston

River Song

Greg Davies

King Hydroflax

Matt Lucas

Nardole

Phillip Rhys

Ramone

Rowan Polonski

Flemming

Robert Curtis

Scratch

Anthony Cozens

Concierge

Chris Lew Kum Hoi

Alphonse

Nicolle Smartt

Receptionist

Liam Cook

King Hydroflax's Body

Nonso Anozie

Voice of Hydroflax (voice)

Clem So

Starline Galactic Villain (uncredited)

William Hartnell

The Doctor (1) (picture) (uncredited)

Patrick Troughton

The Doctor (2) (picture) (uncredited)

Jon Pertwee

The Doctor (3) (picture) (uncredited)

Tom Baker

The Doctor (4) (picture) (uncredited)

Peter Davison

The Doctor (5) (picture) (uncredited)

Colin Baker

The Doctor (6) (picture) (uncredited)

Sylvester McCoy

The Doctor (7) (picture) (uncredited)

Paul McGann

The Doctor (8) (picture) (uncredited)

John Hurt

The Doctor (War) (picture) (uncredited)

Christopher Eccleston

The Doctor (9) (picture) (uncredited)

David Tennant

The Doctor (10) (picture) (uncredited)

Matt Smith

The Doctor (11) (picture) (uncredited)

Barbara Southcott

Makeup Designer

Ray Holman

Costume Design

Adrian Anscombe

Set Decoration

Nikki Wilson

Producer

Brian Minchin

Executive Producer

Michael Pickwoad

Production Design

Megan Bowes

Makeup Artist

Steven Moffat

Executive Producer

Suzie Lavelle

Director of Photography

Adam Green

Editor

Steven Moffat

Writer

Sydney Newman

Creator

Douglas Mackinnon

Director

Murray Gold

Original Music Composer