Paxton Whitehead

as Rev. Canon Chasuble

as Graham Hainsworth (1 episode)

as Uncle Millard

as King Salazar (voice)

as Bernard Thatch (2 episodes)

as Basil Rathwood

as Horace Walpole (6 episodes)

as British Reporter

as Vesti (1 episode)

as Dr. McMerlin

as Commander (voice) (1 episode)

as Dr. Menard (1 episode)

as Cats' Producer (1 episode)

as Helford (1 episode)

as Duke Stone (21 episodes)

as McReady

as Deane

as Mr. Waltham (2 episodes)

as Dr. Whitcomb (3 episodes)

as Dr. Tiberius Scott

as Dr. Campbell (1 episode)

as Judge In Heaven

as Harvey Wilks