Director
Paolo Poeti
DIRECTOR
Writer
John Dickson Carr
WRITER
Umberto Ciappetti
Stars (in credits order)
Adolfo Celi
Sir Henry Merrivale
Daniela Poggi
Mary Hume
Gianni Garko
Harry Mottram
Carlo Hintermann
Avory Hume
Luciano Roffi
Reginald Morris
Daniele Griggio
Jimmy Caplon Morris
Maurizio Gueli
Spencer Hume
Annarita Grapputo
Judith
Gianni Rizzo
Giudice Rankin
Rita Savagnone
Amelia Jordan
Daniele Dublino
Sir Walter Storm
Fulvio Mingozzi
Sergente Raye
Fernando Pannullo
Randolph Fleming
Piero Nuti
Herbert Dyer
Renata Biserni
Lollypop
Giuseppe Tuminelli
Dollot Tregannon
Rodolfo Traversa
Dottor Stocking
Renzo Ozzano
Luigi Filippo Cochrane
Angiolina Quinterno
Signora Grabell
