Greg Davies
King Hydroflax
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)