Amber Heard has joined the cast of 'Three Days to Kill'.

The 26-year-old actress is set to star alongside Kevin Costner and Hailee Steinfeld in the McG-directed thriller, which is has been co-written by Luc Besson and Adi Hasak, Variety reports.

The movie tells the story of Ethan Runner (Kevin), a Secret Service agent who decides to retire when he finds out he is dying in order to spend more time with his estranged daughter (Hailee).

Complications ensue when he is offered the chance to possibly extend his life by taking an experimental drug, but as part of the condition for taking the substance he must do one final mission while under the powerful hallucinatory side effects of the drug.

Amber - who has been romantically linked to Johnny Depp - will portray the woman who offers Ethan the miracle drug.

The brunette beauty recently starred as Depp's love interest in 2011 drama 'The Rum Diary' and she is due to star in Robert Rodriguez's thriller 'Machete Kills' in 2013 alongside a star-studded cast which includes Mel Gibson, Charlie Sheen, Jessica Alba, Michelle Rodriguez, Sofia Vergara and Zoe Saldana.

Amber will also star with Gary Oldman, Liam Hemsworth and Harrison Ford in Robert Luketic's thriller 'Paranoia' next year.