Biography
Prasanna Puwanarajah is a British actor, director and writer. Born in 1981 in Ipswich, Suffolk, to Tamil Sri Lankan parents, he trained in medicine at New College, Oxford. He worked as a junior doctor in the NHS for several years, including in reconstructive surgery, before leaving to pursue acting and related work full time.
He is known for television roles including Martin Bashir in The Crown (2016 and 2022) and Johnny in Patrick Melrose (2018), as well as appearances in Diana (2013), The Gunman (2015) and You, Me and the Apocalypse (2015). His film credits include Möbius (2013) and Finding Emily (2026), in which he plays Professor Westlake. Puwanarajah has also directed theatre productions and the feature film Ballywalter (2022).
