Fielding and Beth Goddard in the ITV comedy-drama Big Bad World, which aired for two series in summer 1999 and winter 2001. He also played a minor role in The Butcher Boy as Joe's (Francie's best friend) father, and appeared in an episode of the original Whose Line is it Anyway?. In 2000, O'Hanlon starred in the comedy series My Hero, in which he played a very naive superhero from the planet Ultron. His character juggled world-saving heroics with life in suburbia. He stayed in the role until the first episode of series 6 in July 2006, when he was replaced by James Dreyfus during the same episode. O'Hanlon also provided the voice of the lead character in the three Christmas television cartoon specials of Robbie the Reindeer. He appeared in the 2005 BBC One sitcom Blessed, written by Ben Elton; at the 2005 British Comedy Awards, it was publicly slated by Jonathan Ross, albeit in jest. Towards the end of 2005, he played an eccentric Scottish character, Coconut Tam, in the family based film, The Adventures of Greyfriars Bobby. He has also appeared on radio, including an appearance on Quote... Unquote on BBC Radio 4 on 18 July 2011. Appropriately, one of his questions concerned a quotation from Father Ted. In 2015, he appeared as incompetent angel Smallbone in the sitcom The Best Laid Plans, on the same channel. In 2006, O'Hanlon wrote and presented an RTÉ television series called Leagues Apart, which saw him investigate the biggest and most passionate football rivalries in a number of European countries. Included were Roma vs Lazio in Italy, Barcelona vs Real Madrid in Spain, and Galatasaray vs Fenerbahce in Turkey. He followed this with another RTÉ show, So You Want To Be Taoiseach? in 2007. It was a political series in which O'Hanlon gave tongue-in-cheek advice on how to go about becoming Taoiseach of Ireland. He appeared in the Doctor Who episode "Gridlock", broadcast on 14 April 2007, in which he played a catlike creature named Thomas Kincade Brannigan. O'Hanlon appears in series 3 of the TV show Skins, playing Naomi Campbell (Lily Loveless)'s politics teacher named Kieran, who attempted to kiss her. He then went on to form a relationship with Naomi's mother (Olivia Colman). O'Hanlon plays the lead role in Irish comedy television programme Val Falvey, TD on RTÉ One. He has recently performed in the Edinburgh Fringe. In