Education
He studied Classics at Trinity College, Oxford.
He studied Classics at Trinity College, Oxford.
Born in Swansea, Griffiths earned a scholarship to Oxford University with the highest entry results in Wales. Griffiths did his National Service in the Royal Air Force as a Russian linguist with Royal Air Force Intelligence in West Germany listening to Soviet Air Force pilots radio transmissions. Griffiths recalled one Russian pilot wishing "A happy Christmas to our British listeners!"
Griffith"s first screenplay was Licensed to Kill.
After emigrating to Australia he wrote extensively for Australian television series such as the spy series Hunter (1967), and police shows Division 4, Homicide, and Blue Heelers.
Griffith also co-wrote Becca (1988) an Australian Welsh television co-production of an 1840s Welshman transported to Australia as well as writing the teleplay to Outbreak of Love from the novel by Martin Boyd. In addition to writing, Griffiths interviewed many survivors of Royal Air Force Bomber Command for the 1987 American Broadcasting Company Documentary Wings of the Storm and donated all his footage to the Australian War Memorial.
Griffiths also held teaching positions with the Australian Film Television and Radio School in Sydney and the Victorian College of the Arts and was a Victorian delegate of the Australian Writers Guild.