Stephen MacKenna

Stephen MacKenna (born 2 January 1944 ) played Dennis in the Doctor Who television story The Woman Who Fell to Earth.

Outside of the DWU, MacKenna has played three roles on Emmerdale, spanning 9 years, three roles on The Bill, spanning 6 years, and four roles on Heartbeat, spanning 16 years. He has also played characters in Hollyoaks, Doctors and EastEnders.

MacKenna played the role of John Lennon in the film Birth of the Beatles, and, amusingly, a police sergeant in a film called Yasmin.