Regan trained as a classical ballet and contemporary dancer with Alan Foley, Artistic Director of Cork City Ballet. She is a member of The Actors Studio, Factory, Dublin, a renowned dynamic creative hub where industry leaders mentor future industry leaders working alongside Lance Daly, Shimmy Marcus, John Carney and Jim Sheridan.
Regan made her screen début in the award winning Ivan Kavanagh horror Tin Can Man opposite Michael Parle which went on to win several international awards prior to its worldwide release.
She made her stage debut at The Abbey Theatre as Mollser in a Wayne Jordon production of The Plough and The Stars.
In her late teens, she became known for her role of Fiona on RTÉ drama Aisling's Summer Diary - TV Series created by Dublin-based CR Entertainment which won the best international Teen TV Movie at Kidscreen New York in 2010.
Brave and precocious performances in independent films followed including Our Wonderful Home, The Fading Light (winner of the Jameson Dublin International Film Festival), Tin Can Man (awarded as Boundary Breaking Best Feature at the Sydney Underground Film Festival and Melbourne Underground Film Festival).
Recent work includes the leading role in fantasy film The Shadows, based on a George MacDonald dark fairytale and directed by Colin Downey,. with the Irish Film Board, which premiered at Galway Film Fleadh.
She played schoolgirl Cathy in Love Eternal, directed by Brendan Muldowney which has been adapted from the Japanese novel Loving The Dead by prolific horror author Kei Oishi (The Grudge). Love Eternal won the Fresh Blood Award at the inaugural Black Bear Film Festival in Warsaw. The film premiered earlier in 2013 at the Galway Film Fleadh and has screened at over at over fifty festivals and markets worldwide, including Sitges and Busan, one of the largest film festivals in Asia. Love Eternal was produced by Conor Barry, Morgan Bushe and Macdara Kelleher for Fastnet Films, with Luxembourg co-producers Red Lion, Dutch co-producers Rinkel Film and TO Entertainment from Japan, with support from the Irish Film Board, the Film Fund Luxembourg and the Netherlands Film Fund. French company Reel Suspects are handling world sales for Love Eternal. It is on European release in 2014.
In 2014 she starred with Brian Gleeson (actor) in Darkness On The Edge Of Town, which was the first independently-funded Irish film to feature at the Sundance Film Festival. The film was later picked up by Netflix for and shown across the United States and Canada.
Emma's latest projects include the feature film Get Up And Go starring Peter Coonan and Killian Scott of Irish IFTA award-winning drama Love/Hate. And Irish feature Fading Away.
She is a travel and cultural columnist for several publications and outlets, including RTÉ, Ooh La La, and TNT24.IE. She wrote daily columns on her experiences at the Cannes Film Festival and her time in Saint-Jean-Cap-Ferrat, discussing Roman Polanski, Jim Jarmusch and Jane Campion's latest films, giving personal opinions and anecdotes from high society events in Bailoi Beach, the Continental Hotel, at Gotha Club and various galas on Promenade de la Croisette.
She was cover girl on both glossy publication Galway Now and INK magazine in July 2013. She has been featured in The Sunday Independent, and has been a guest on Victoria Mary Clarke's radio show, Galway Bay FM, LMFM, and RTÉ Radio 1.
She collaborated with Sara Hibbert on three pieces -Abonnés Series of stills, Flowers Of The Gutter a four-screen video installation and Dancer Somnambulism . These projects have been exhibited in One Marylebone Place in 2010 for Intel's and Jotta Remastered Exhibition, London Design Festival, Orientations: Hoxton Art Gallery, London, CUBE Gallery, Cork Street Gallery in Mayfair, London.