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The Girl Who Knew Too Much
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You can watch The Girl Who Knew Too Much (1963) for free on Kanopy.
A tourist witnesses a murder and finds herself caught up in a series of bloody killings.
The Girl Who Knew Too Much is a film that explores themes of rome, italy, italy, investigation. It also touches on tourist and murder and marijuana.
Trailer
Director
Mario Bava
Cast
John Saxon, Letícia Román, Valentina Cortese, Dante DiPaolo, Titti Tomaino, Luigi Bonos, Milo Quesada, Gustavo De Nardo, Giovanni Di Benedetto, Jim Dolen
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The Girl Who Knew Too Much
You can watch The Girl Who Knew Too Much (1963) for free on Kanopy.
IMDb
6.9/10
RT Critics
71%
Director
Mario Bava
Cast
John Saxon, Letícia Román, Valentina Cortese, Dante DiPaolo, Titti Tomaino, Luigi Bonos, Milo Quesada, Gustavo De Nardo, Giovanni Di Benedetto, Jim Dolen
11 options ranked by value · 🇺🇸 United States
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rome, italy · italy · investigation · tourist · murder · marijuana · serial killer
The Girl Who Knew Too Much is streaming on Amazon Prime. The Girl Who Knew Too Much is streaming on Amazon Prime Video with Ads. The Girl Who Knew Too Much is streaming on Apple TV+. Watch The Girl Who Knew Too Much for free on Kanopy. Watch The Girl Who Knew Too Much for free on Plex. Watch The Girl Who Knew Too Much for free on Plex Channel. The Girl Who Knew Too Much is streaming on AMC+. Watch The Girl Who Knew Too Much for free on Fawesome. The Girl Who Knew Too Much is streaming on AMC+ Amazon Channel. The Girl Who Knew Too Much is streaming on Shudder. The Girl Who Knew Too Much is streaming on Shudder Amazon Channel. The Girl Who Knew Too Much is not currently available on Netflix, Hulu, Max, Disney+, Prime Video. Availability last verified April 6, 2026.