John Stone

as Roger Conlan (1 episode)

as Priest (1 episode)

as Ivar Staines

as Detective Insepctor John Truman (2 episodes)

as Charles Morton (1 episode)

as Sydney Agent

as (voice)

as Reporter at Stables

as Professor Cameron

as (voice)

as Mr Christian, as Mr. Christian

as Mr. Benson

as Supt. Nicholson (4 episodes)

as David Walker (1 episode)