Himself (1 episode)

Robar

Richard Allenby

The Controller

The Controller (1 episode)

Dexter (1 episode)

Father

Himself / The Boss

Magrik (4 episodes)

Davros (6 episodes)

Morelli (3 episodes)

Rex Farrel (4 episodes)

Kalik (4 episodes)

John Wakefield (3 episodes)

Dalek (voice) (1 episode)

(voice, uncredited) (1 episode)

Daleks (voice) (9 episodes)

Ranjit (voice, uncredited) (1 episode)