Sascha Girndt

CEO | Producer

Sascha Girndt holds the Master of Business Administration (MBA) and is responsible for all business operations and processes of Roundhousefilm. Additionally, Sascha has over ten years of direct stunt experience in working with coordination, rigging, and performance, all of which is indispensable for the development and production of high-level and audience-engaging action formats. In 2015, he was nominated for the Taurus World Stunt Award (Project: Kick, Category: Best Stunt Rigging, Best High Work).

Mathis Landwehr

Partner | Producer

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Mathis Landwehr has achieved significant commercial success as an actor both at home in Germany  and abroad. His feature film debut in Challenge found an international audience and has been sold worldwide. The RTL television action series Lasko - The Fist of God, in which Mathis starred as the lead also brought him international acclaim including a nomination for the German Television Award (Best Series) and the Taurus World Stunt Award nomination (Best Fight) as a choreographer and performer the following year.

Krystof Zlatnik

Director | Writer

Krystof Zlatnik studied Feature Film Directing at the Filmakademie Baden-Württemberg and took part in the Hollywood Workshop at UCLA Extensions Los Angeles.  He directed many short films, including the award-winning sci-fi short Das Leuchten (engl. Reverence) and finished film school with his first feature film Lys, which premiered at the Seattle International Film Festival in 2011. Krystof also is founder member of the Genrenale, the first film festival exclusively dedicated to German genre movies. In 2016, he co-wrote and directed Immigration Game.

Ramazan Bulut

Action Director | Stunt Coordinator

Ramazan Bulut began his career at action concept and today is considered one of the most experienced stunt coordinators in the world. In almost 20 years of combined direct stunt experience, he has coordinated and performed in over 200 episodes of international award-winning series Alarm for Cobra 11 and was part of Valkyrie, Rush, Skybound and many other international productions.  Ramazan is a two-time nominee for the Taurus World Stunt Award for his work on Lasko - The Fist of God and Bollywood's Kick.

Marcel Weisheit

Graphic Design

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A freelance graphic designer for over ten years, Marcel Weisheit develops key art for international movie productions and has also worked as matte painter, prop- set- and title designer for film and television. His work was awarded by the Art Directors Club and at the Adobe Digital Achievement Awards, clients include Hugo Boss, RTL Television, Harley Davidson, ZDF/Kinderkanal, WWF, Random House Bertelsmann, Nero, Anson’s, Salamander, action concept, Ströer, Brunnen or dm Drogeriemarkt.