Skip to content
What's After the Movie?
Crime drama

The Girl Who Knew Too Much (1969): Cast & Plot

The Girl Who Knew Too Much (1969) movie poster

The Girl Who Knew Too Much is a 1969 crime drama directed by Francis D. Lyon, starring Adam West as Johnny Cain, Nancy Kwan and Chick Chandler. It runs 1 hour 35 minutes.

Loading streaming availability…
The Girl Who Knew Too Much (1969) movie poster
Released
Runtime
1h 35m (95 min)
Director
Francis D. Lyon
Genres
Drama , Crime
Original language
English
After the credits
No No extra scene
The story

What Is The Girl Who Knew Too Much About?

The premise of The Girl Who Knew Too Much without spoilers. The whole story is in the plot summary further down.

Johnny Cain, a hard‑bitten ex‑freelance adventurer, runs a California nightclub where a runaway truck drops the corpse of a slain gang leader. The syndicate threatens his life unless he solves the murder, while the CIA probes a Communist plot to seize the crime network. Cain’s search leads him through women, Oriental statues and lethal spies.

The Girl Who Knew Too Much Themes & Keywords

· 20 tags
  • giallo
  • grindhouse film
  • psychotronic film
  • north american giallo
  • organized crime
  • gang leader
  • runaway truck
  • cia
  • crime syndicate
  • communist plot
  • spy
  • espionage
+8 more
  • central intelligence agency
  • corpse
  • oriental statue
  • statue
  • california
  • nightclub
  • adventurer
  • independent film
Loading streaming availability…
Cast & crew

The Girl Who Knew Too Much Cast & Characters

Adam West leads the cast as Johnny Cain, with Nancy Kwan as Revel Drue and Chick Chandler as Hunley Cobble. Directed by Francis D. Lyon; 11 actors are credited in all.

Also Starring in The Girl Who Knew Too Much

· 7 more
From the director

More from Francis D. Lyon

More films directed by Francis D. Lyon: The Young and the Brave, Escort West, Gunsight Ridge and The Oklahoman.

Full filmography
Plot

The Girl Who Knew Too Much Plot Summary

What happens in The Girl Who Knew Too Much from start to finish, spoilers included, with a timeline of 13 key events. The opening is below; the full summary is a 4-minute read.

Spoilers ahead

Nora Davis, an American tourist, travels to Rome to visit her elderly and unwell aunt, who is under the care of Dr. Marcello Bassi. Unfortunately, Nora’s visit is marred by tragedy as her aunt passes away on the very first night. Feeling responsible and distressed, Nora walks to a nearby hospital to inform Dr. Bassi. However, her ordeal takes a dark turn when she is mugged and knocked out in the bustling Piazza di Spagna. When she regains consciousness, she witnesses a shocking scene: a young woman being murdered right in front of a house. She also observes a bearded man pulling a knife from the victim’s body, which leaves her shaken and confused. Nora soon faints from the shock.

Full summary

The whole story of The Girl Who Knew Too Much, scene by scene

Read the full summary
Quiz

How Well Do You Know The Girl Who Knew Too Much?

10 questions about the story, each with a hint if you get stuck. Pick an answer to see whether you were right.

Question 1 of 10

  1. Question 1: not answered
  2. Question 2: not answered
  3. Question 3: not answered
  4. Question 4: not answered
  5. Question 5: not answered
  6. Question 6: not answered
  7. Question 7: not answered
  8. Question 8: not answered
  9. Question 9: not answered
  10. Question 10: not answered

Who is the American tourist who travels to Rome at the beginning of the story?

Cars

Cars in The Girl Who Knew Too Much

13 cars on screen, including the 1963 Concours USA Mk.I and the 1968 Dodge Coronet.

All 13 cars
  • 1963 Concours USA Mk.I in The Girl Who Knew Too Much 1963 Concours USA Mk.I Main role
  • 1968 Dodge Coronet in The Girl Who Knew Too Much 1968 Dodge Coronet Important role
  • 1951 Mercury Sport Sedan in The Girl Who Knew Too Much 1951 Mercury Sport Sedan Important role
  • 1968 Chrysler Newport Custom in The Girl Who Knew Too Much 1968 Chrysler Newport Custom Minor role

Seen The Girl Who Knew Too Much?

FAQ

The Girl Who Knew Too Much FAQ: Cast & Runtime

Runtime, release date, director, cast and post-credit scenes of The Girl Who Knew Too Much, each answered in a sentence.

How long is The Girl Who Knew Too Much?

The Girl Who Knew Too Much runs 1 hour 35 minutes (95 minutes).

When was The Girl Who Knew Too Much released?

The Girl Who Knew Too Much was released on November 7, 1969.

Who directed The Girl Who Knew Too Much?

The Girl Who Knew Too Much was directed by Francis D. Lyon.

More films by Francis D. Lyon

Who is in the cast of The Girl Who Knew Too Much?

The Girl Who Knew Too Much stars Adam West as Johnny Cain, Nancy Kwan as Revel Drue and Chick Chandler as Hunley Cobble, among 11 credited actors.

Does The Girl Who Knew Too Much have a post-credit scene?

No. The Girl Who Knew Too Much has no extra scene during or after the credits.

Coming soon to your phone

The Plot Explained Movie Summary App

From blockbusters to hidden gems: plot summaries, endings explained and timelines on your phone. Save your favorites and never miss a twist again.

Be the first to know when it launches. Your email stays private, always. Learn more about the app