Jake Gyllenhaal supports director sister Maggie at The Lost Daughter premiere

Jake Gyllenhaal was every inch the supportive brother as he attended the premiere for his sister Maggie’s movie The Lost Daughter at the Venice Film Festival on Friday.

The actor, 40, looked dashing in a relaxed white suit, which featured a jacket and matching trousers, teamed with a slightly unbuttoned shirt.

Nightcrawler star Jake sweetly held Maggie’s hand as they walked the red carpet together at the screening for the film she has written and directed.

Sibling love: Jake Gyllenhaal was every inch the supportive brother as he attended the premiere for his sister Maggie’s movie The Lost Daughter at the Venice Film Festival on Friday

Jake wore his curly locks swept back off his handsome face and sported a smattering of stuble across his chiselled features. 

Maggie beamed as she posed beside her brother, while wearing a chic floor-length monochrome gown with puff sleeves.

She styled the look with black stilettos and wore her cropped locks in a loose style, while opting for a glamorous coat of make-up with a slick of purple lipstick. 

Handsome: The actor, 40, looked dashing in a relaxed white suit, which featured a jacket and matching trousers, teamed with a slightly unbuttoned shirt

Dashing: Jake wore his curly locks swept back off his handsome face and sported a smattering of stuble across his chiselled features 

Aw! Nightcrawler star Jake sweetly held Maggie’s hand as they walked the red carpet together at the screening for the film she has written and directed

The siblings have come from showbiz roots after both being born to filmmakers Stephen Gyllenhaal and Naomi Achs. 

While both have carved out sucessful careers as Hollywood actors, Maggie has branched out into writing and directing. 

Maggie’s star-studded directorial debut The Lost Daughter premiered at the Festival on Friday.

Glowing: Maggie beamed as she posed beside her brother, while wearing a chic floor-length monochrome gown with puff sleeves

Looking good: She styled the look with black stilettos and wore her cropped locks in a loose style, while opting for a glamorous coat of make-up with a slick of purple lipstick

Family: The siblings have come from showbiz roots after both being born to filmmakers Stephen Gyllenhaal and Naomi Achs

The upcoming film, based on the 2006 novel of the same name by Elena Ferrante, will have its world premiere at the event.

The cast is led by Olivia Colman and Dakota Johnson and the movie tells the gripping story of Olivia’s character Leda. 

A college professor on a summer holiday at the seaside, she becomes obsessed with Nina (Dakota) and her young daughter as she watches them play on the beach.

Upcoming: Maggie’s star-studded directorial debut The Lost Daughter is set to premiere at the 78th Venice International Film Festival on Friday

Talented: The movie tells the gripping story of Olivia Colman’s character Leda (pictured)