Did You Know?
[on undertaking the role of Dr. Emmett Code in The River
(2012)]: I've played a lot of people who have hidden agendas or have reached bottom, who are not particularly savoury. This is a guy who believes deeply in his love for his wife, his son, and is just happy to wake up in the morning.
Parents are Mary Sylvia (Ledingham), a nurse, and Hugh John Greenwood, a geophysicist, geologist, and professor, who taught at Princeton University. His paternal great-grandfather was Ralph Allan Sampson, a prominent Cork-born astronomer who was the Astronomer Royal for Scotland.
Often plays sneering villains