Cormac's professional career began in 1994 when he was chosen by Michael Flatley to be part of the team of dancers that stunned Europe in the original performance of Riverdance at the Eurovision Song Contest. Following its successful debut, Riverdance, The Show
was developed. From its World Premiere in Dublin it has become a phenomenon, changing the face of theatre internationally and bringing Irish dance into the public consciousness forever. Cormac continued touring and dancing with Riverdance for six years, giving more than 2000 performances, across four continents to over two million people. He can be seen in the original film, Riverdance, The Show, in Riverdance at Radio City, Riverdance, A Journey and The Best of Riverdance.
Cormac's television credits include performances on
The Today Show, The Late Show with David Letterman, Late Night with Conan O'Brien, Ireland's Late, Late Show with Gay Byrne and on Britain's The Royal Variety Performance. He has also given special performances for the Queen of England, for Ireland's president Mary McAlese and for President Clinton and Vice President Al Gore.