
A Scotland Yard investigator looks into four mysterious cases involving an unoccupied house.
Robert Lang
Psychiatrist (segment 1 "Method for Murder")

Joss Ackland
Neville Rogers (segment 2 "Waxworks")
Wolfe Morris
Waxworks Proprietor (segment 2 "Waxworks")

Nyree Dawn Porter
Ann Norton (segment 3 "Sweets to the Sweet")

Chloe Franks
Jane Reid (segment 3 "Sweets to the Sweet")

Jon Pertwee
Paul Henderson (segment 4 "The Cloak")
