A Thorn in the Heart poster
Where to stream

A Thorn in the Heart

4.319861h 30mMovieDrama

Guido, a young idler with a gambling problem falls in love with Caterina a mysterious girl. A torrid affair follows thereafter. When Caterina leaves him Guido investigates her past and learns she had a lot of lovers.

DirectorAlberto Lattuada
WritersAlberto Lattuada·Franco Ferrini
ProducerAchille Manzotti

Where to watch

Not available in Canada
Streaming in 1 other country

A Thorn in the Heart isn't on any streaming service in Canada right now, but it's available in Italy. Streaming rights are licensed per country.

Cast · Directed by Alberto Lattuada

ADAnthony Delon
Anthony Delon
Guido
SDSophie Duez
Sophie Duez
Caterina Marini
ALAntonella Lualdi
Antonella Lualdi
Adelaide Biotti
GMGastone Moschin
Gastone Moschin
dottor Trigona
LTLeonardo Treviglio
Leonardo Treviglio
Tibiletti
CSCarola Stagnaro
Carola Stagnaro
Teresita
AIAngelo Infanti
Angelo Infanti
Roberto Dionisotti

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More from Alberto Lattuada · Director

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A Thorn in the Heart — streaming FAQ

Which OTT platform streams A Thorn in the Heart?

A Thorn in the Heart isn't on any streaming service in Canada yet, but it's available in Italy. Streaming rights differ by country — switch your country in the header to see where.

Is A Thorn in the Heart on Netflix?

No, A Thorn in the Heart is not on Netflix in Canada as of September 2026.

Is A Thorn in the Heart on Amazon Prime Video?

No, A Thorn in the Heart isn't on Amazon Prime Video in Canada right now.

Where can I watch A Thorn in the Heart for free?

A Thorn in the Heart isn't streaming in Canada yet, so there's no way to watch it free at the moment.