Jeremy Sumpter, Phoebe Tonkin and Sebastian Koch are in talks to star in director Jim Gillespie’s thriller “Take Down,” with shooting starting in April.

Mimi Steinbauer’s Radiant Films International is handling foreign sales on the project at Berlin.

Producers are Ed Elbert, Sarah Ryan Black and Stefan Brunner. The movie is being packaged and produced by Pinewood Pictures, an affiliate of Pinewood Shepperton Plc.

Alexander Ignon (“Ransom”) wrote the story, centered on the spoiled offspring of international billionaires being sent to a tough-love school in the remote wilderness. When they are taken hostage and held for a $1 billion ransom, the kids are forced to try to save themselves.

Sumpter’s credits include “Peter Pan” and “Soul Surfer.” Tonkin has appeared on “The Vampire Diaries” and “The Originals” and Koch starred in “The Lives of Other.”

Gillespie directed “I Know What You Did Last Summer.”

Sumpter is represented by Innovative Artists. Tonkin is repped by ICM Partners as well as Management 360. Koch is repped by Travistock Wood Management and Die Agenten.