Lonsdale first started acting at the age of eight.[5] One of his first television acting roles was on Coronation Street in 2002.[2]
He has appeared on television and on stage in various roles. He has also done work on radio plays for the BBC, including All Quiet on the Western Front, Henry VIII, The Steps, Walter Now, Pilgrim, The Time Machine (on BBC Radio 3 in 2009),[6]The Pattern of Painful Adventures (2008), On the Beach (November 2008 for Radio 4)[7] and The Tenant of Wildfell Hall (BBC).[8]
In 2014, Lonsdale played the lead role of Private Prewitt, the American GI in From Here to Eternity the Musical and sang several numbers in the show.[2] This was his first musical.[12] He released one of the number from the show, “Fight the Fight”, as a single.[2] He was nominated for a Whatsonstage Award for Best Actor.[13] Following From Here to Eternity he played Daniel in Another Place at The Drum, Theatre Royal, Plymouth.[13] and one of the leading roles in the BBC's The Interceptor.
From 2015 to 2017, Lonsdale played a series regular in Chewing Gum as Connor, Tracey's (Michaela Coel) love interest and a poet.[14]
He plays the guitar, the ukulele, the bugle and a bit of piano and writes his own music.
Personal life
Lonsdale ran the London Marathon in 2018 on behalf of Heads Together charity, which encourages people to speak openly about mental health. He lives in South East London[1] and supports Tottenham Hotspur.