Manus is originally from Cavan, and is a graduate of the Trinity College Drama and Theatre department. Recent voiceover work includes: MyTaxi Lucozade Zero Bus Éireann Bord Na Móna The Examiner Bank of Ireland TG4 Fujifilm Galway Races McDonalds McMór His recent theatre work includes: Far Away (Corcadorca), The Aeneid, Conor at the End of the Universe, Human Child (Collapsing Horse Theatre Co.), Inside The GPO (Fishamble), The Poor Little Boy With No Arms (One Duck), She Stoops To Conquer, King Lear (Abbey Theatre), Before Monsters Were Made, Reckoners, The Life and Sort of Death of Eric Argyle (15th Oak). His screen work includes Rebellion (RTÉ 2016), Inspector Jury: The Deer Leap (German ZDF 2017) and the short films: The Cocaine Famine (dir. Sam McMullen 2018), Back Home (dir. Diarmaid McGrath 2017), Dig (dir. Des Creedon and John Kilkenny 2017), My Life For Ireland (dir. Kieron J. Walsh 2016), Not With a Bang But a Whimper (dir. Andy Stevenson 2014) and Run (dir. Sam McMullen 2014).