I Know That You Know That I Know poster
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I Know That You Know That I Know

6.919821h 54mMovieComedy

The investigations of a private eye shake up the almost broken marriage of a middle aged couple.

DirectorAlberto Sordi
WritersRodolfo Sonego·Alberto Sordi
ProducerAugusto Caminito

Where to watch

Not available in United Kingdom
Streaming in 1 other country

I Know That You Know That I Know isn't on any streaming service in United Kingdom right now, but it's available in Italy. Streaming rights are licensed per country.

Cast · Directed by Alberto Sordi

ASAlberto Sordi
Alberto Sordi
Fabio
MVMonica Vitti
Monica Vitti
Livia
IBIsabella De Bernardi
Isabella De Bernardi
Veronica Bonetti
SI
Salvatore Iacono
Cavalli
GMGiuseppe Mannajuolo
Giuseppe Mannajuolo
investigatore
IMIvana Monti
Ivana Monti
Valeria
MPMicaela Pignatelli
Micaela Pignatelli
Elena Vitali
CGClaudio Gora
Claudio Gora
avvocato Ronconi
PA
Pier Francesco Aiello
Marco
NS
Napoleone Sgrugli
Mirko
CCCesare Cadeo
Cesare Cadeo
reporter
SPSandro Paternostro
Sandro Paternostro
sé stesso

More from Alberto Sordi · Lead actor

I Vitelloni
I Vitelloni
1953 · 7.7
The Misery of Mr. Travet
The Misery of Mr. Travet
1945 · 5.9
The Witches
The Witches
1967 · 6.0
Lo scocciatore
Lo scocciatore
1953 · 6.6
The Widower
The Widower
1959 · 7.4
Medicine Italian Style
Medicine Italian Style
1969 · 6.5
Those Magnificent Men in Their Flying Machines or How I Flew from London to Paris in 25 Hours 11 Minutes
Those Magnificent Men in Their Flying Machines or How I Flew from London to Paris in 25 Hours 11 Minutes
1965 · 6.8
The White Sheik
The White Sheik
1952 · 7.2
The Couples
The Couples
1970 · 6.9
Il marito
Il marito
1958 · 6.4
See all fromAlberto Sordi

More from Monica Vitti · Co-star actress

L'Eclisse
L'Eclisse
1962 · 7.7
L'Avventura
L'Avventura
1960 · 7.5
The Couples
The Couples
1970 · 6.9
La Notte
La Notte
1961 · 7.9
The Phantom of Liberty
The Phantom of Liberty
1974 · 7.5
Red Desert
Red Desert
1964 · 7.3
The Tango of Jealousy
The Tango of Jealousy
1981 · 5.9
The Queens
The Queens
1966 · 5.4
Nutty, Naughty Chateau
Nutty, Naughty Chateau
1963 · 5.6
The Girl with a Pistol
The Girl with a Pistol
1968 · 6.9
See all fromMonica Vitti

More like this

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1982 · 6.8
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1994 · 7.0
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2017 · 6.6
Eccezzziunale... veramente
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1982 · 6.2
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1992 · 5.9
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1997 · 8.4
The Cousin
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1974 · 5.4
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Lola's Secret
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1984 · 7.0
Ace
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1981 · 6.2
They Call Me Trinity
They Call Me Trinity
1970 · 7.6

I Know That You Know That I Know — streaming FAQ

Which OTT platform streams I Know That You Know That I Know?

I Know That You Know That I Know isn't on any streaming service in United Kingdom yet, but it's available in Italy. Streaming rights differ by country — switch your country in the header to see where.

Is I Know That You Know That I Know on Netflix?

No, I Know That You Know That I Know is not on Netflix in United Kingdom as of September 2026.

Is I Know That You Know That I Know on Amazon Prime Video?

No, I Know That You Know That I Know isn't on Amazon Prime Video in United Kingdom right now.

Where can I watch I Know That You Know That I Know for free?

I Know That You Know That I Know isn't streaming in United Kingdom yet, so there's no way to watch it free at the moment.