Country
France
Date
Apr 29, 1956
Note
Cannes Film Festival
A little knowledge can be a deadly thing!
2h 1min
Overall average
5.0/10
Trailer
Videos
Plot
An American doctor and his wife, a former singing star, witness a murder while vacationing in Morocco, and are drawn into a twisting plot of international intrigue when their young son is kidnapped.
Main cast
Full cast
| Actor | Role |
|---|---|
| Alan Mowbray | Val Parnell |
| Hillary Brooke | Jan Peterson |
| Christopher Olsen | Hank McKenna |
| Reggie Nalder | Rien |
| Richard Wattis | Assistant Manager |
| Noel Willman | Woburn |
| Alix Talton | Helen Parnell |
| Yves Brainville | Police Inspector |
| Carolyn Jones | Cindy Fontaine |
| Bernard Herrmann | Conductor at Albert Hall (uncredited) |
| Patrick Aherne | Handyman (uncredited) |
| Frank Albertson | Taxidermist (uncredited) |
| Frank Atkinson | Edgar (uncredited) |
| John Barrard | Taxidermist Holding Panther (uncredited) |
| Mayne Lynton | Grey-Haired Taxidermist (uncredited) |
| Clifford Buckton | Sir Kenneth Clarke (uncredited) |
| Walter Bacon | Church Member (uncredited) |
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| Lovyss Bradley | Church Member (uncredited) |
| Nora Bush | Church Member (uncredited) |
| Ann Kunde | Church Member (uncredited) |
| Jean Ransome | Church Member (uncredited) |
| Albert Carrier | French Policeman (uncredited) |
| Louis Mercier | French Policeman (uncredited) |
| Anthony Warde | French Policeman (uncredited) |
| Frank Baker | Royal Albert Hall Attendee (uncredited) |
| Oliver Cross | Royal Albert Hall Attendee (uncredited) |
| Sam Harris | Royal Albert Hall Attendee (uncredited) |
| Jimmie Horan | Royal Albert Hall Attendee (uncredited) |
| Carl M. Leviness | Royal Albert Hall Attendee (uncredited) |
| Lee Miller | Royal Albert Hall Attendee (uncredited) |
| Arthur Tovey | Royal Albert Hall Attendee (uncredited) |
| Harry Fine | Edington (uncredited) |
| Alex Frazer | Man in Box Office Lobby (uncredited) |
| Wolf Frees | Prime Minister's Aide (uncredited) |
| Richard Marner | Prime Minister's Aide (uncredited) |
| Milton Frome | Embassy Back Entrance Guard (uncredited) |
| Walter Gotell | Matthews, Scotland Yard Patrol Car (uncredited) |
| Leo Gordon | Drayton's Chauffeur (uncredited) |
| Alfred Hitchcock | Man in Marrakesh Marketplace (uncredited) |
| Gladys Holland | Bernard's Date at Restaurant (uncredited) |
| George Howe | Ambrose Chappell Sr. (uncredited) |
| Richard Wordsworth | Ambrose Chappell Jr. (uncredited) |
| Eumenio Blanco | Arab (uncredited) |
| Allen Jaffe | Arab (uncredited) |
| Lou Krugman | Marrakesh Headwaiter (uncredited) |
| Harold Kasket | Stavis (uncredited) |
| Barry Keegan | Patterson (uncredited) |
| Lloyd Lamble | General Manager of Albert Hall (uncredited) |
| Lewis Martin | Detective (uncredited) |
| Ralph Neff | Drayton's Henchman (uncredited) |
| John O'Malley | Hotel Doorman (uncredited) |
| Eric Snowden | Special Branch Officer (uncredited) |
| Patrick Whyte | Special Branch Officer (uncredited) |
| Alma Taylor | Embassy Guest (uncredited) |
| Guy Verney | Embassy Footman (uncredited) |
| Peter Williams | Police Sergeant at Albert Hall (uncredited) |
| John Marshall | Embassy Butler (uncredited) |
| Alexis Bobrinskoy | Foreign Prime Minister (uncredited) |
| Betty Baskcomb | Edna (uncredited) |
| Hyma Beckley | Albert Hall Audience (uncredited) |
| Paul Beradi | Embassy Guest (uncredited) |
| Arline Bletcher | Church Member (uncredited) |
| Janet Bruce | Woman in Box Office Queue (uncredited) |
| Naida Buckingham | Albert Hall Audience (uncredited) |
| Barbara Burke | Miss Benson (uncredited) |
| Peter Camlin | Marrakesh Waiter (uncredited) |
| Jimmy Charters | Albert Hall Audience (uncredited) |
| Abdelhaq Chraibi | Muslim Husband On Bus (uncredited) |
| Victor Harrington | Embassy Guest (uncredited) |
| George Hilsdon | Photographer at Airport (uncredited) |
| Philip Johns | Embassy Chef (uncredited) |
| Barbara Jones | Lady On Bus (uncredited) |
| Anthony Lang | Singer in Choir (uncredited) |
| Donald Lawton | Desk Clerk (uncredited) |
| Marion Lessing | Church Member (uncredited) |
| Enid Lindsey | Lady Clarke (uncredited) |
| Janet Macfarlane | Albert Hall Audience (uncredited) |
| Edward Manouk | Marrakesh Waiter (uncredited) |
| Lola Morice | Singer in Choir (uncredited) |
| Leslie Newport | Inspector at Albert Hall (uncredited) |
| Elsa Palmer | Embassy Cook (uncredited) |
| Liddell Peddieson | Taxidermist With Cap (uncredited) |
| Pauline Pfarr | Ambassador's Wife (uncredited) |
| Arthur Ridley | Albert Hall Ticket Collector (uncredited) |
| Lucile Sewall | Church Member (uncredited) |
| Mahin S. Shahrivar | Muslim Wife On Bus (uncredited) |
| Guy Standeven | Albert Hall Audience (uncredited) |
| Allen Zeidman | Assistant Manager (uncredited) |
Genres
ThrillerMysteryDrama
Technical details
| Dettaglio | Valore |
|---|---|
| Titolo originale | The Man Who Knew Too Much |
| Lingua originale | English (EN) |
| Lingue parlate | Français, English, العربية |
| Paesi di produzione | United States of America |
| Stato | Released |
| Compagnie di produzione | Paramount Pictures |
| Data di uscita | 16 maggio 1956 |
| Producer | Alfred Hitchcock, Herbert Coleman |
| Writer | John Michael Hayes, D.B. Wyndham-Lewis, Charles Bennett |
| Casting | Bill Greenwald, Tony Regan, Edward R. Morse, Gary Fifield, William Cowitt |
| Editors | George Tomasini, Sam Vitale |
| Cinematography | Robert Burks, Paul Uhl, Bobby Greene, Ken Lobben, Neil Binney, Darrell Turnmire, Leonard J. South |
| Asst. Directors | Howard Joslin, Basil Keys, Ned Dobson, Ralph Axness, Alfred Hitchcock, Herbert Coleman |
| Lighting | Adolph Froelich, Don Ring, Vic Jones |
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Release dates
Premiere
Country
Brazil
Date
Jun 25, 1956
Certification
14
Limited release
Country
United States
Date
May 22, 1956
Note
Los Angeles, California
Country
Belgium
Date
Jul 26, 1968
Certification
12
Note
Re-release
Country
Netherlands
Date
Mar 01, 1984
Certification
12
Note
Re-release
Theatrical release
Country
Canada
Date
May 16, 1956
Country
United States
Date
May 16, 1956
Country
United Kingdom
Date
Jun 21, 1956
Country
South Africa
Date
Jul 05, 1956
Show more (18)Show less
Country
Sweden
Date
Jul 23, 1956
Certification
15
Country
Japan
Date
Jul 26, 1956
Country
Finland
Date
Aug 03, 1956
Certification
K-16
Country
Australia
Date
Aug 16, 1956
Certification
PG
Country
Italy
Date
Sep 06, 1956
Country
Netherlands
Date
Sep 27, 1956
Certification
12
Country
France
Date
Oct 05, 1956
Certification
TP
Note
Visa CNC 18106
Country
Germany
Date
Oct 10, 1956
Certification
12
Note
West Germany
Country
Portugal
Date
Nov 01, 1956
Country
Belgium
Date
Nov 02, 1956
Certification
12
Country
Mexico
Date
Nov 08, 1956
Certification
B-15
Country
Austria
Date
Dec 07, 1956
Country
Norway
Date
Dec 31, 1956
Certification
12
Country
Hong Kong
Date
Jan 17, 1957
Country
Denmark
Date
Jul 25, 1958
Certification
15
Country
Spain
Date
Jul 25, 1960
Certification
A
Country
Türkiye
Date
Apr 17, 1962
Country
Greece
Date
Jun 07, 2012
Note
Re-release
Digital
Country
Germany
Date
Aug 13, 1999
Physical media
Country
United Kingdom
Date
Jan 10, 1984
Certification
PG
Note
VHS
Country
Canada
Date
Mar 06, 2001
Note
DVD
Country
Netherlands
Date
Jul 26, 2007
Certification
12
Note
DVD
Country
Portugal
Date
Apr 11, 2018
Note
Cinemateca Portuguesa
TV
Country
Brazil
Date
Jan 27, 2000
Certification
14
Country
Netherlands
Date
Feb 07, 2003
Certification
12
Note
Net 5
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