Guest Stars Rosalie Williams as Mrs. Hudson Frank Middlemass as Henry Baker Rosalind Knight as Countess of Morcar Amelda Brown as Jennie Horner Frank Mills as Peterson Brian Miller as Inspector Bradstreet Maggie Jones as Mrs Oakshott Desmond McNamara as John Horner Ken Campbell as James Ryder Eric Allan as Breckendridge Don McCorkindale as Windigate Eric Kent as Roughs Ted Beyer as Warder