Guest Stars Romaine Waite as Bill Peters Honeysuckle Weeks as Agatha Christie Shaun Benson as James Barton Christine Horne as Louise Barton Co Starring Glen Davies as Ben the Taxi Driver Suzanne Coy as Maid Helen King as Nurse Richard Binsley as Bank Manager David Michaels as Captain "Cap" Morrison Rachelle Casseus as Ruby Weston Ian Deakin as Pharmacist Benjamin Blais as Gregory Snow