Abbie Cornish (Robocop) and Dermot Mulroney (August: Osage County) have signed on to star in psychological thriller Lavender, directed by Ed Gass-Donnelly (The Last Exorcism Part II). Principal photography is slated to begin later this month in Toronto.

Cornish will play a photographer struggling with severe memory loss following an accident. Strange clues amongst her photos begin to suggest that she may be responsible for the deaths of family members she never knew she had.

Gass-Donnelly is producing the film with Dave Valleau (Capote) through Valleau’s South Creek Pictures banner.

Andrea Iervolino and Lady Monika Bacardi’s AMBI Group is co-financing with Silvio Muraglia’s Paradox Studios with additional financing provided by The Movie Network, a division of Bell Media, and Movie Central, the Harold Greenberg Fund and Telefilm Canada.

Iervolino, Lady Bacardi and Muraglia are executive producers along with Jennifer Levine, Emily Alden and Tex Antonucci.

AMBI Distribution, the worldwide sales arm of the AMBI Group, is handling international sales, excluding Canada where Pacific Northwest Pictures has distribution rights and will release the film.

XYZ Films will handle domestic sales.

Lavender will be introduced to buyers for the first time in Cannes next week.

Mulroney and Cornish join Diego Klattenhoff (Homeland) in the film, which is co-written by Gass-Donnelly and Colin Frizzell.

Cornish is represented by WME and Untitled Entertainment. Mulroney is represented by WME. Gass-Donelly is represented by ICM and Untitled Entertainment.