In 1975, he made his West End debut in
The Gay Lord Quex, opposite
Judi Dench, which was directed by Sir
John Gielgud at the
Albery Theatre. While playing Dean Rebel in
Trafford Tanzi at London's
Mermaid Theatre, he was spotted by the producers of the NBC mini-series
A.D., who cast him in the lead role of Valerius. He spent the following nine months on location in
Tunisia working opposite
James Mason,
Susan Sarandon,
Ava Gardner and
Ian McShane. Upon his return, he was cast in the eponymous role of
James Bigglesworth in the British feature film,
Biggles (American title:
Biggles: Adventures in Time), which was selected as the Royal Premiere Film in 1986. He went on to star in several mini-series and the cult sci-fi series
She-Wolf of London, which was given the alternative title
Love & Curses when syndicated in the United States. In 2008, he starred in the film
Chasing Chekhov, which won the first BAFTA LA Film Festival Award. TV credits include:
I, Claudius,
Secret Army, ''
Blake's 7, Airline, Boon, Rockliffe's Babies, She-Wolf of London, Dynasty, Matlock, Baywatch, Sliders, Iron Man, Diagnosis: Murder, Alias, Mad Men and 1987 TV movie The Murders in the Rue Morgue''. Film credits include
Biggles and ''
Romy and Michele's High School Reunion. He also appeared alongside Barbara Windsor, Joss Ackland and Gareth Hunt in the Pet Shop Boys film, It Couldn't Happen Here, Lionheart'', David Lynch's
Inland Empire,
King of the Wind,
Ridley Scott's
Body of Lies and
Charles Dennis's
The Favour of Your Company and
Chicanery. He played Nick in Barbara Taylor Bradford's
Voice of the Hear alongside Lindsay Wagner and Victoria Tennant. In 2011 Dickson played the eponymous role in
Charles Dennis's award-winning film
Atwill. He reprised the role of fugitive British assassin Clive Atwill in the web series
Atwill at Large and in the 2018 feature film
Barking Mad. Dickson and the other actors won the Best Ensemble Cast award at the 2021 Studio City Film Festival. Dickson's game credits include
Eternal Darkness,
Age of Empires III,
Heroes of Might and Magic V: Hammers of Fate, and
The Elder Scrolls V: Skyrim. ==Personal life==