Tycho Nestoris
Rev Giles Shawcross
Gantok
Richard Lazarus
Leonard Boynton
Isaac Newton
Ronald Hawes
Mycroft Holmes
Ted Gilbert
Angstrom
Prince Regent
Callum
NSA
Mr. Harmony
Radio Presenter With 'Spaceship' Theory / Wildlife voiceover (voice) (uncredited)
Narrator
Mr. Snow
Additional Vogon Voices
Dr. Quentin Questa (voice)
Stephen Gardiner
The Man
Lord Marlborough
Miss Blight (voice)
Dettweiler