Dr. Morelle: The Case of the Missing Heiress

James Raglan

Valentine Dyall

Dr. Morelle

Julia Lang

Miss Frayle

Jean Lodge

Cynthia Mason

Philip Leaver

Samuel Kimber

Peter Drury

Peter Lorrimer

Hugh Griffith

Bensall, the butler

Sidney Vivian

Godfrey Grayson

Roy Plomley