75-05-23 CBS Radio Mystery Theater Markheim Man Or Monster

Plot
Karl Markheim is the ultimate anti-hero as he manipulates and swindles everyone around him to get his ends. He is left out from the will of his rich uncle and decides to torture his wife and her father for money, blithely unaware of the strange figure who witnesses all from behind a mirror.
Episode
0279
Air Dates

First Run - May 23, 1975
Repeat - September 9, 1975
Repeat - August 19, 1979

Actors

Kevin McCarthy
Ian Martin
Guy Sorel
Grace Matthews
Rosemary Rice