Colette Dalal Tchantcho is an actress and theatre maker based in the United Kingdom. She is known for her roles in the Sky Atlantic series Domina (2021) and the Starz series Dangerous Liaisons (2022).
Tchantcho made her television debut in 2018 with guest appearances in the BBC One medical soap opera Doctors and the BBC Four documentary series Arena. She also played Orsino in Twelfth Night at the Royal Lyceum Theatre in Edinburgh and the Bristol Old Vic and toured Scotland with Eddie and the Slumber Girls.[5][6] The following year, she played Véa in an episode of the Netflix fantasy series The Witcher.
In 2021, Tchantcho began starring as Antigone in the British-Italian Sky Atlantic and Sky Italia historical drama Domina, set in Ancient Rome and centred around Livia Drusilla (Kasia Smutniak).[7] That same year, Tchantcho was cast as Ondine, Vicomtesse de Valmont in the Starz adaptation of Dangerous Liaisons,[8] which premiered in November 2022.[9] She had performed Les Liaisons Dangereuses before during her time at LIPA.[10] She is currently developing a one-woman stage show titled Dreamer.[11] She is also featured in the Paramount+ series No Escape.[12]