This biography of a living person needs additional citations for verification, as it includes attribution to IMDb. (July 2010) (Learn how and when to remove this template message)
At the age of five, Dickson contracted polio, but he was fortunate enough to make a complete recovery a year later. He attended Worksop College in Nottinghamshire playing Coriolanus in the Junior Play 1966. He graduated from the Guildhall School of Music and Drama and spent several seasons working in repertory theatres in Sheffield, Manchester, Leicester and Oxford among others.
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. He has recently completed work on Tim Burton's Alice in Wonderland.
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: Adventures in Time 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 heart" alongside Lindsey 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.
- A.D. (1985, TV Mini-Series) - Valerius
- Biggles (1986) - James 'Biggles' Bigglesworth
- Lionheart (1987) - King Richard
- Eat the Rich (1987) - Gerry
- It Couldn't Happen Here (1987) - Pilot / car salesman
- A Ghost in Monte Carlo (1990, TV Movie) - Dupuis
- King of the Wind (1989) - Earl of Godolphin
- Police Story 4: First Strike (1996) - Australian Group #2
- Romy and Michele's High School Reunion (1997) - Boutique Manager
- Something to Believe In (1998) - John
- The Story of O: Untold Pleasures (2002) - Sir Stephen / benefactor
- Peak Experience (2003) - Dr. Cameron Beale
- Timecop 2: The Berlin Decision (2003) - Neil Johnson
- Spectres (2004) - Walter
- Garfield 2 (2006) - (voice)
- Caffeine (2006) - Mr. Davies
- Inland Empire (2006) - Producer
- A Good Year (2006) - (voice)
- Eragon (2006) - (voice)
- Beowulf (2007) - (voice)
- Body of Lies (2008) - BBC Newsreader (voice, uncredited)
- Immigrants (2008) - (English version, voice)
- Donna on Demand (2009) - Tony
- Jewtopia (2012) - Claude
- Sons of Liberty (2013) - Allister Salinger
- Complicit (2013) - Mr. Allusen
- Haunting of the Innocent (2014) - Erik
- Atlas Shrugged Part III: Who Is John Galt? (2014) - Dr. Robert Stadler
- Chicanery (2017) - Gareth Foyle
- Scrambled (2017) - Roman
- Black Flowers (2018) - The Ranger
- Barking Mad (2018) - Clive Atwill
- Missing Link (2019) - Doctor Roylott (voice)
He currently resides with his wife Lynda and their two daughters, Lucy and Chloe, in Los Angeles.