Grey was first featured as a model in Honolulu Street Pulse's magazine in 2013 after being approached by photographer Tony Grillo in
Honolulu,
Hawaii ( Artistic Mindz Photography). Following this opportunity, she continued shooting TV commercials and movies whilst learning on-screen action fighting and combat. Her first taste of Hollywood was working with Blake Lively (Savages, Age of Adaline) in the psychological drama
All I See Is You, starring
Jason Clarke (
Terminator Genisys,
Everest) and directed by
Marc Forster (
Quantum of Solace,
World War Z). Grey made her on-screen debut in the short movie "Return of the Golden Lily", directed by Takashi Hirose and Magnus Thors, which was shot in
Thailand. The film received the Experienced Vision Award for "Best Film" at the Thailand International Film Destination Festival 2014. Not long after this, she landed a role in Takashi Hirose's upcoming horror movie "BRUTAL" shot in
Japan starring alongside Naho Nakashima (
Final Fantasy XIII). Grey made her American feature film debut in the movie
Ghost House directed by Rich Ragsdale (
According to Jim,
Less than Perfect), alongside
Scout Taylor-Compton (
Halloween,
Halloween II,
The Runaways) and
James Landry Hébert (
Super 8,
Looper). The movie was produced by KNR Productions and Benetone Films. In 2015, Grey appeared in an episode for a Travel Show for Slovak TV channel
RTVS called Cestou Necestou shot in
Bangkok,
Thailand. No long after, Grey got a role in the French comedy
Brice 3 acting alongside Oscar winning actor
Jean Dujardin (
The Artist,
The Wolf of Wall Street) and
Clovis Cornillac (
Asterix at the Olympic Games).Brice 3 is French comedy written and directed by
James Huth (
Brice de Nice,
Hellphone) and is the sequel to the successful original film Brice de Nice. In 2017, Grey starred in the movie Locked Up directed by Jared Cohn (12/12/12,
Jailbait). Grey also appeared in the movie Troy 2 where she played
Helen of Troy directed by Tekin Girkin (The Incision, Peaceful Oblivion) starring Dylan Vox (Hercules Reborn, Dead 7) produced by Benetone Films . She also played the role of a German mother in the Indie short film called Milk produced by Korean female director Yu Jin Jang. In 2018, Grey played the role of “Green” in the episode Kobe, which is part of the sci-fi series called Future sex produced by H1 films for Blackpills and directed by MacGregor and Bruno Zacarias. Katrina Grey is also a
Screenwriter. In 2020, Grey has written a psychological drama/thriller called Daytime Nightmare and wrote a horror/thriller movie called Hostel Paradise and starred in Malaysian zombie horror called Infeksi Zombie- Belaban Hidup. She is also a member of
Equity and
Spotlight. ==Filmography==