Film and TV Arnold landed the role of Dr Clodagh Delaney on the Irish TV series
The Clinic, a multi award-winning drama for RTÉ. There were seven series from 2003 to 2009. She starred as Una in Terry McMahons
Charlie Casanova in 2010, and played Catriona in TV3's
Deception in 2012. In 2010, she appeared on
Celebrity Salon on
TV3. After spending time raising her children, in 2023 Arnold went back to work by starring as Margaret in
The Spin, directed by Michael Head.
Theatre Arnold's theatre experience in Ireland includes Gerry Stenbridges' ''he Grown Up's
, at the Peacock Theatre, Helen of Troy in Michael Scotts Trojan Women
, The Vagina Monologues
, My First Time
and, in 2010, the role of Mina in Michael Scotts Dracula'' at the Tivoli Theatre. ==Philanthropy==