Creative Instinct.
Strategic Thinking.
ABOUT
Belgium-based casting office working across feature films, television drama and international co-productions, with experience across Europe,
the UK and the US.
Whether we join a project early in development or later in the process, we always look at the cast as a whole. We think about chemistry, balance and the relationships between characters. Who works together, what feels believable and what does the project need.Finding the right actors is always the starting point, but there is a bigger picture too. International co-productions, cast attachments, established names, emerging talent or completely new faces can all be part of that conversation.Every project asks for something different. Our job is to understand what that is and build the cast around it.TEAM
SIEN JOSEPHINE TEIJSSEN, CSA
Founder & Casting Director
International casting director based in Belgium, working across feature films and television series. Bridging European and Anglo-American casting practices and talent networks, Sien Josephine combines creative casting with international talent discovery and strategic cast attachments, connecting productions with talent across borders.
MAARTEN LENS
Casting Associate
SARA DE VRIES-VINCK
Associate Casting Director
AFFILIATIONS
Treasurer, Global Chapter, Casting Society (CSA)
Member, European Film Academy (EFA)
Board member, Film Festival Oostende3 x CSA Artios
Award Nominee
Julie Keeps Quiet (2025)
BOHO (2027)
The Big Fuck Up (2027)
SELECTED WORK
CONTACT
Casting enquiries Belgium
casting@sienjosephine.comCasting enquiries International
sara@hennemanagency.nl
james@theartistspartnership.comActor enquiries
actors@sienjosephine.comSien Josephine Casting works exclusively on behalf of productions. We do not represent or manage talent. Actors are encouraged to remain visible on professional casting platforms and to stay responsive to open calls when announced.