Full Cast Recording. A Mark Markheim Miniscule Mystery. Produced by One Act Audio Theatre in conjunction with Audio-Playwrights. Written by Hal Glatzer. Recorded at Lindner Sound, San Francisco. Produced & Directed by Glenn Carlson. Cast: Mark Markheim - John True; Sheila Shelby - Blanca Florido; Viveca Vickery - Marilynn Fowler; Ollie Owens - Glenn Carlson; Caspar Cooper - John Parsons

DONT MISS THE FIRST CASE IN THIS SERIES: "A DEAD BODY'S A DEAL BREAKER".