Katarina Cas is a Slovenian actress. She started her acting career in her native Slovenia where she first appeared in a commercial. In 2000, she made her cinematic debut with the Slovenian film V petek zvečer. During this period, she also worked as a host in music shows. Later in the 2010s, she made her international debut when she appeared in the Irish film The Guard. She next appeared as Chantelle in the Hollywood film The Wolf of Wall Street. Cas then played the role of Sophie in the movie Danny Collins. In 2018, she had performances in the films Terminal and A Christmas Prince: The Royal Wedding. She also played the part of Dominica in 5 episodes of Love, Lies and Records.