6 user 6 critic

The Girl Who Knew Too Much (1969)

A runaway truck containing the corpse of a slain gang leader rolls into a California nightclub owned by Johnny Cain, a hard bitten former free-lance adventurer. The gang threatens to kill ... See full summary »


Francis D. Lyon


Charles A. Wallace (as Charles Wallace)


Learn more

More Like This 

Comedy | Mystery | Romance
    1 2 3 4 5 6 7 8 9 10 7.1/10 X  

A mystery novel-loving American tourist witnesses a murder in Rome, and soon finds herself and her suitor caught up in a series of killings.

Director: Mario Bava
Stars: John Saxon, Letícia Román, Valentina Cortese
Certificate: GP Horror | Mystery
    1 2 3 4 5 6 7 8 9 10 7/10 X  

A Carpathian village is haunted by the ghost of a murderous little girl, prompting a coroner and a medical student to uncover her secrets while a witch attempts to protect the villagers.

Director: Mario Bava
Stars: Giacomo Rossi Stuart, Erika Blanc, Fabienne Dali
Horror | Mystery
    1 2 3 4 5 6 7 8 9 10 6.4/10 X  

A tourist spends the night in a derelict Spanish villa seemingly held in the supernatural grip of an eccentric butler, who resembles a depiction of the Devil she had seen on an ancient fresco.

Director: Mario Bava
Stars: Telly Savalas, Elke Sommer, Sylva Koscina
Baron Blood (1972)
    1 2 3 4 5 6 7 8 9 10 6/10 X  

A young man, visiting the castle of a murderous ancestor in Austria, accidentally brings his dead relative back to life - searching for new victims.

Director: Mario Bava
Stars: Joseph Cotten, Elke Sommer, Massimo Girotti
Horror | Mystery | Thriller
    1 2 3 4 5 6 7 8 9 10 6.6/10 X  

The murder of a wealthy countess, which was erroneously deemed suicide, triggers a chain reaction of brutal killings in the surrounding bay area, as several unscrupulous characters try to take over her large estate.

Director: Mario Bava
Stars: Claudine Auger, Luigi Pistilli, Claudio Camaso
Horror | Sci-Fi
    1 2 3 4 5 6 7 8 9 10 6.3/10 X  

After landing on a mysterious planet, a team of astronauts begin to turn on each other, swayed by the uncertain influence of the planet and its strange inhabitants.

Director: Mario Bava
Stars: Barry Sullivan, Norma Bengell, Ángel Aranda
Horror | Mystery | Thriller
    1 2 3 4 5 6 7 8 9 10 7.2/10 X  

A masked, shadowy killer brutally murders the models of a scandalous fashion house in Rome.

Director: Mario Bava
Stars: Cameron Mitchell, Eva Bartok, Thomas Reiner
Adventure | Fantasy | Horror
    1 2 3 4 5 6 7 8 9 10 6.3/10 X  

Hercules must journey in Hades itself to retrieve the magic stone that will free his love from the powers of darkness.

Director: Mario Bava
Stars: Reg Park, Christopher Lee, Leonora Ruffo
Horror | Romance
    1 2 3 4 5 6 7 8 9 10 6.8/10 X  

The ghost of a sadistic nobleman attempts to rekindle his romance with his terrorized, masochistic ex-lover, who is unwillingly affianced to his brother.

Director: Mario Bava
Stars: Daliah Lavi, Christopher Lee, Tony Kendall
Certificate: GP Horror | Mystery | Thriller
    1 2 3 4 5 6 7 8 9 10 6.4/10 X  

A cleaver-wielding bridal designer murders various young brides-to-be in an attempt to unlock a repressed childhood trauma concerning the death of his mother.

Director: Mario Bava
Stars: Stephen Forsyth, Dagmar Lassander, Laura Betti
Tenebrae (1982)
Horror | Mystery | Thriller
    1 2 3 4 5 6 7 8 9 10 7.1/10 X  

An American writer in Rome is stalked by a serial killer bent on harassing him while killing all people associated with his work on his latest book.

Director: Dario Argento
Stars: Anthony Franciosa, Giuliano Gemma, Christian Borromeo
Deep Red (1975)
Horror | Mystery | Thriller
    1 2 3 4 5 6 7 8 9 10 7.6/10 X  

A jazz pianist and a wisecracking journalist are pulled into a complex web of mystery after the former witnesses the brutal murder of a psychic.

Director: Dario Argento
Stars: David Hemmings, Daria Nicolodi, Gabriele Lavia


Cast overview, first billed only:
Adam West ... Johnny Cain
Nancy Kwan ... Revel Drue
Nehemiah Persoff ... Lieutenant Miles Crawford
Buddy Greco ... Lucky Jones
Robert Alda ... Kenneth Allandice
Patricia Smith ... Tricia Grinaldi
David Brian ... Had Dixon
Weaver Levy Weaver Levy ... Wong See
John Napier John Napier ... Danny Deshea
Mark Roberts ... Stephen Kasai
Steve Peck Steve Peck ... Tony Grinaldi
Diane Van Valin Diane Van Valin ... Pretty Stripper
Chick Chandler ... Hunley Cobble
Lisa Todd ... Sugar Sweet
Ken Spalding Ken Spalding ... Ted Lawson


A runaway truck containing the corpse of a slain gang leader rolls into a California nightclub owned by Johnny Cain, a hard bitten former free-lance adventurer. The gang threatens to kill Johnny, unless he solves the murder. The CIA also investigates - because it turns out that the slaying was part of a long-range Communist plan to take over the crime syndicate. Cain's search for clues leads him into a maze of beautiful girls, mysterious Oriental statues and murderous spies. Written by alfiehitchie

Plot Summary | Add Synopsis


If she hadn't been so smart... She wouldn't be so DEAD! See more »


Crime | Drama


R | See all certifications »






Release Date:

18 May 1970 (Denmark) See more »

Also Known As:

Executive, la donna che sapeva troppo See more »

Company Credits

Production Co:

United-Westco See more »
Show more on IMDbPro »

Technical Specs


Sound Mix:



Color (Eastmancolor)

Aspect Ratio:

1.78 : 1
See full technical specs »

Did You Know?


Lieutenant Miles Crawford: Take it easy, son.
Young Policeman: I didn't want to kill anybody.
Lieutenant Miles Crawford: You're not the first cop that ever had to kill a man or the last. In fifteen years, you'll learn how to carry it all inside, you'll know what a dead man looks like.
Lieutenant Miles Crawford: A man and a woman can love one another one minute and the next cut each other up. A drunk in a car, a kid high on pot, a sick molester with a poor little girl can twist your guts. All in one night.
Lieutenant Miles Crawford: Half the time you'll be making out reports another half the time you'll spend in ...
See more »


Referenced in E! True Hollywood Story: Adam West: Batman Unmasked (1999) See more »


A Woman Grows
music and lyrics by Joe Greene
sung by Buddy Greco
See more »

Frequently Asked Questions

This FAQ is empty. Add the first question.

User Reviews

A Very Intricate Plot
29 July 2013 | by Uriah43See all my reviews

A beautiful Asian woman named "Revel Drew" (Nancy Kwan) is sitting at a table in a restaurant with a man who happens to be the head of all of the illegal operations on the West Coast. Not long afterward, as Revel gets up to talk to the piano player named "Lucky Jones" (Buddy Greco) a large truck comes crashing through the wall opposite of where Revel was sitting only minutes before and kills the mob boss. The owner of the restaurant is "Johnny Cain" (Adam West) who just happens to be a retired assassin and a former lover of Revel. Because of the suspicious nature of the murder, he immediately becomes a suspect and a contract is placed upon his head if he cannot exonerate himself. He has 72 hours. Anyway, rather than divulge the entire story and possibly ruin the mystery and suspense, I will just say that this film has a very intricate plot which requires close attention to detail. While the acting wasn't great and the dialogue seemed a bit stiff at times, I thought this was a pretty enjoyable film all the same. Adam West performed in an adequate manner as did Nancy Kwan who still manages to look quite attractive several years after her starring role in "The World of Suzie Wong". It's definitely dated but all things considered I rate this as slightly above average.

2 of 2 people found this review helpful.  Was this review helpful to you? | Report this
Review this title | See all 6 user reviews »

Contribute to This Page

Free Movies and TV Shows You Can Watch Now

On IMDb TV, you can catch Hollywood hits and popular TV series at no cost. Select any poster below to play the movie, totally free!

Browse free movies and TV series

Stream Popular Action and Adventure Titles With Prime Video

Explore popular action and adventure titles available to stream with Prime Video.

Start your free trial

Recently Viewed