- Country: UK
- Genres: Crime, Drama, Mystery
- Release: 1920-05-13
- Director: William Humphrey
- Writers: Carlton Dawe , George Edwardes-Hall , William Humphrey
- Language: English
- Stars: Mary Clare , Lydia Kyasht , Bertram Burleigh , Sam Livesey , Robert Corbins , Ronald Colman , Betty Hall , Hayden Coffin , Adeline Hayden Coffin , Dorothy Cecil
- Runtime: min
- Awards: N/A
- AKA: Foolish Monte Carlo (United States of America) , The Black Spider , The Black Spider (United Kingdom)
- Plot: A young girl in Monte Carlo is engaged to a nobleman, but is really in love with someone else. A jewel thief named "The Black Spider" has been robbing the wealthy of Monte Carlo, and as a joke the girl steals her aunt's jewels. Unfortunately, a detective finds out and suspects her of being the real "The Black Spider".
- IMDB:tt0010997
Foolish Monte Carlo Cast
William Humphrey
Director
Mary Clare
Angela Brentwood
Lydia Kyasht
Angela Carfour
Bertram Burleigh
Archie Lowndes
Sam Livesey
Reggie Cosway
Robert Corbins
Archie Lowndes
Ronald Colman
Vicomte de Beaurais
Betty Hall
Irene Carfour
Hayden Coffin
Lord Carfour
Adeline Hayden Coffin
Lady Carfour
Dorothy Cecil
Marjorie West