Ray Milland

Inspector Thompson

Acting

Dalila Di Lazzaro

Glenda Blythe

Acting

Michele Placido

Antonio Attolini

Acting

Mel Ferrer

Professor Henry Douglas

Acting

Howard Ross

Roy Conner

Acting

Ramiro Oliveros

Inspector Ramsey

Acting

Fernando Fernán Gómez

Forensics Detective

Acting

Antonio Ferrandis

Nottingham

Acting

Giacomo Assandri

Quint

Acting

Vanessa Vitale

Quint's Neighbor

Acting

Mónica Rey

Patricia Clark Dorsey

Acting

Enzo Staiola

Acting