Rosey Hayes is an Irish actor originally from Kilkenny. She is a graduate of IT Sligo's Performing Arts Course (BA Hons degree in Acting), David Scott's Applied Art of Acting & Friday Studio, and Helena Walsh's Advanced Actor's Practice. She attended Crash Acting, a studio by LA acting coach Benjamin Mathes.

Notable roles include Mairead in the sold-out Bench Tales for Barnstorm Theatre Company as part of the Kilkenny Arts Festival and Emma O'Connor in Sau Dachi's feature film Suit Hung Tied Tongue. She completed a national tour of Hamlet:Cybermadness with Cyclone Rep Theatre Company where she played the roles of Gertrude, Horatio, and Rosencrantz. The tour finished with performances in Landau, Germany as part of Culture Ireland's Zeitgeist Irland 24. She also performed at this year's Edinburgh Fringe Festival where she played Kayleigh in No Filters Productions comedy play One More which was staged at the Pleasance Theatre.