David Rintoul

as Hamlet's Ghost

as Mr Bull (voice)

as Mr Bull / Grandad Dog (voice)

as Edward Hayes

as Grogon (voice)

as Mark (voice)

as Ghost/Player King

as General Wagner

as Michael Adeane (8 episodes)

as Canuck Black (voice)

as Hadden

as Gilbert De Vesci

as Noah

as Admiral Fieldhouse

as Dr. Connell

as Henry Conway (2 episodes)

as HHJ Brown (1 episode)

as Stranger

as Harry Price

as George

as Granddad Dog (voice) (443 episodes), as Dr Brown Bear (voice) (1 episode)

as Narrator

as Dr. Clive

as Doctor Clive