Ruth Wilson shows off her whimsical style at a gala

Ruth Wilson shows off her whimsical style at a gala screening of See How They Run

Ruth Wilson looked incredible as she led the stars at a gala screening of her new film See How They Run at Picturehouse Central in London on Tuesday.

The 40-year-old actress turned heads in the seductive red dress that hugged every inch of her amazing figure.

Ruth’s quirky ensemble featured a white abstract print, as well as appliqued flowers and ruched detailing on the skirt.

Lady in red: Ruth Wilson, 40, looked incredible while attending a gala screening of her new film See How They Run with her co-stars in London on Tuesday.

Lady in red: Ruth Wilson, 40, looked incredible while attending a gala screening of her new film See How They Run with her co-stars in London on Tuesday.

The star, who plays 1950s film actress Petula Spencer in the crime caper, accentuated her beauty with a glamorous palette of makeup and bright red lips.

Ruth slipped her feet into chunky white heels and pulled her brunette locks back into a chic chignon while carrying her belongings in a baby blue handbag.

The crime film follows Saoirse Ronan’s rookie officer Constable Stalker and Sam Rockwell’s Inspector Stoppard as they try to apprehend the culprit after a body is found in a West End theater.

Stylish: The star, who plays 1950s film actress Petula Spencer in the crime caper, accentuated her beauty with a glamorous palette of makeup and bright red lips

Stylish: The star, who plays 1950s film actress Petula Spencer in the crime caper, accentuated her beauty with a glamorous palette of makeup and bright red lips

Friends: Ruth (left) snuggled up to co-star Sian Clifford (right) on the red carpet

Friends: Ruth (left) snuggled up to co-star Sian Clifford (right) on the red carpet

Adrien Brody, David Oyelowo, Sian Clifford, Charlie Cooper and Harris Dickinson also star.

Fleabag’s Sian, 40, who plays Edna in the film, looked stunning in a chocolate brown asymmetric dress which she paired with a graphic plexiglass clutch.

Sian snuggled up to co-star Ruth as the duo reunited months after filming wrapped.

Chic: Sian, 40, who plays the role of Edna, looked stunning in a chocolate brown asymmetric dress which she paired with a graphic plexiglass clutch.

Chic: Sian, 40, who plays the role of Edna, looked stunning in a chocolate brown asymmetric dress which she paired with a graphic plexiglass clutch.

Wowza: Pippa Bennett-Warner (right) showed off her incredible figure in a skintight black dress

Wowza: Pippa Bennett-Warner (right) showed off her incredible figure in a skintight black dress

Staying casual: Actor Stanley Tucci, 61, looked dapper in a velvet blazer and vest, which he paired with slouchy jeans

Staying casual: Actor Stanley Tucci, 61, looked dapper in a velvet blazer and vest, which he paired with slouchy jeans

Co-stars: Pearl Chanda, 28, cut a chic figure in a black suit Striking: co-star Ania Marson, 73, opted for bright yellow checks

Co-stars: Pearl Chanda, 28 (left), looked chic in a black suit, while co-star Ania Marson, 73 (right), opted for a bright yellow plaid

1656525138 570 Saoirse Ronan tries to solve a 1950s murder mystery in

Who knows it? The film, set in the 1950s, stars Ruth Wilson as Petula Spencer, one of the people being investigated. She is pictured with David Oyelowo and Reece Shearsmith

Actor Stanley Tucci, 61, made a smart-looking appearance in a velvet blazer and waistcoat, which he paired with a pair of slouchy jeans.

While actor Jacob Fortune-Lloyd, who plays Gio in the film, turned heads in a summery look with shorts.

The official synopsis reads: “Set in 1950s London, plans for a film adaptation of a hit play come to an abrupt halt after a key member of the crew is murdered.”

Legs: Jacob Fortune-Lloyd, who plays Gio, turned heads in a summery look, complete with shorts

Legs: Jacob Fortune-Lloyd, who plays Gio, turned heads in a summery look, complete with shorts

comedy duo!  The League of Gentleman's Reece Shearsmith, who also stars in the film, opted for a smart suit Smart pants: Charlie Cooper from this country followed the suite and chose a black suite

comedy duo! The League of Gentleman’s Reece Shearsmith (left) and This Country’s Charlie Cooper (right), both starring in the film, opted for smart suits

All in black: Model Amber Le Bon, 33, dresses all in black and slips on floral boots

All in black: Model Amber Le Bon, 33, dresses all in black and slips on floral boots

Cool: Edith Bowman, 48, rocking and oversized suit, which she combined with yellow glasses

Cool: Edith Bowman, 48, rocking and oversized suit, which she combined with yellow glasses

“When a world-weary inspector and an eager rookie cop take the case, they find themselves part of a mysterious detective agency in the glamorously sordid world of underground theatre, where they investigate the mysterious murder at their own peril.”

The film, which hits theaters September 30, will be directed by Tom George, who knows Charlie Cooper from his work on his sitcom This Country.

According to Variety, Tom said in a statement last summer: “[Working with] This incredible cast was an absolute dream. I’m so excited to bring this suspenseful, smart and funny crime thriller to the audience.”

Photocall: (L-R) Earl Chanda, Paul Chahidi, Angus Wright, Ruth Wilson, Sian Clifford, Jacob Fortune-Lloyd, Tom George, Lucian Msamati, Ania Marson, Reece Shearsmith, Pippa Bennett-Warner, Charlie Cooper, Tim Key, Mark Chappell and Damien Jones

Photocall: (L-R) Earl Chanda, Paul Chahidi, Angus Wright, Ruth Wilson, Sian Clifford, Jacob Fortune-Lloyd, Tom George, Lucian Msamati, Ania Marson, Reece Shearsmith, Pippa Bennett-Warner, Charlie Cooper, Tim Key, Mark Chappell and Damien Jones