Ray Milland

Inspector Timpson

Dalila Di Lazzaro

Glenda Blythe

Michele Placido

Antonio Attolini

Mel Ferrer

Professor Henry Douglas

Howard Ross

Roy Conner

Ramiro Oliveros

Inspector Ramsey

Fernando Fernán Gómez

Forensics Detective

Antonio Ferrandis

Nottingham

Giacomo Assandri

Quint