A valuable gem from India is stolen in an old dark mansion and it is up to Scotland Yard inspector Charles Irwin to find out who did it among all the suspects who were in the house.
David Manners
Franklin Blake
Phyllis Barry
Ann Verinder
Gustav von Seyffertitz
Carl Von Lucker
Jameson Thomas
Godfrey Ablewhite
Herbert Bunston
Sir John Verinder
Charles Irwin
Inspector Cuff
Elspeth Dudgeon
Betteredge
John Davidson
Yandoo
Claude King
Sir Basil Wynard
Olaf Hytten
Dr. Ezra Jennings
Evalyn Bostock
Roseanna Spearman
Fred Walton
Henry, Butler
Secret of the Red Orchid
The Face of Fu Manchu
Around the World in 80 Days
Inspector Clouseau
The Abominable Dr. Phibes
The Trixxer
Fellowship of the Frog
The Old Barn Dance
Scooby-Doo! Mecha Mutt Menace
Marty Feldman: Six Degrees of Separation
Retando A La Muerte
I Don't Expect Anyone to Believe Me
Siempre la duda
64: Part 2
The Strange Case of the End of Civilization as We Know It
Sherlock Holmes
Gaslight
Bill Tilghman and the Outlaws
What's New, Scooby-Doo? Vol. 1: Space Ape at the Cape
Benny Hill: The Lost Years - Bennies from Heaven