Claim: Marie Dompnier performed as Sandra Winchler in the 2014 TV series Witnesses, and Madeleine Fournier in The Tunnel (2016), a British–French crime drama television series adapted from the 2011 Danish-Swedish crime series The Bridge.
Evidence: 2014-2017 Witnesses (TV series) Sandra Winckler (14 episodes ) 2016 The Tunnel (TV series) Madeleine Fournier 1 episode The Tunnel (French: Tunnel) is a British–French crime drama television series adapted from the 2011 Danish-Swedish crime series The Bridge (Bron/Broen).