AfterCharlbi Dean’s death at age 32, writer/director Ruben Östlund is remembering the actress as having “care and sensitivity” on set.

“Charlbi’s sudden passing is a shock and a tragedy,” Östlund, who directed Dean in the upcoming filmTriangle of Sadness,wroteon Instagram.

PEOPLE previously confirmed that Dean died Monday in New York City after an unexpected illness. The illness has not been disclosed.

Charlbi Dean, Ruben Ostlund and Harris Dickinson on May 22.Li Yang/China News Service via Getty

Actress Charlbi Dean Kriek, director Ruben Ostlund and actor Harris Dickinson attend the photocall for “Triangle Of Sadness” during the 75th annual Cannes film festival at Palais des Festivals on May 22, 2022 in Cannes, France.

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Dean, who also appeared on The CW’sBlack Lightning,revealedin April that she was engaged to artist Luke Volker.

For more on Charlbi Dean, listen below to our daily podcast PEOPLE Every Day.

Earlier this year,Triangle of Sadnesswon theCannes Film Festival’s highest honor, the Palme d’Or, in May. It hits theaters Oct. 7, and also stars Woody Harrelson andWhere the Crawdads Sing’s Harris Dickinson. In the film, Dean plays model Yaya, a rich guest invited for a luxury cruise, where things go very wrong.

Ruben Ostlund, Charlbi Dean and Woody Harrelson on May 22.JULIE SEBADELHA/AFP via Getty

Swedish film director Ruben Ostlund, South African model and actress Charlbi Dean and US actor Woody Harrelson attend a press conference for the film “Triangle of Sadness” during the 75th edition of the Cannes Film Festival in Cannes, southern France, on May 22, 2022.

The actress acknowledged the film’s Cannes win onInstagram, writing at the time, “Congratulations our family we did it!!! @ruben_ostlund you’re the GOAT I’m forever thankful for you for trusting me to be apart of your genius and my dear @sinaostlund Can’t believe I had the best year making this during one of the hardest times in my life. Here’s some pics of the year in Sweden and Greece during the pandemic. Forever and always our @triangleofsadness family.”

source: people.com