Born in 1969, Gilley spent his early years in Southampton, England. Gilley was educated at Millfield School, a boarding independent school in the village of Street in Somerset. He joined the Royal Shakespeare Company at the age of 17.
- Succubus (1987) television film with Barry Foster, Lynsey Baxter, Pamela Salem
Peace One Day
Following a decade of professional acting, in 1994 Gilley started a film making company, P.U.R.E. Productions.
In 1998, Gilley began to make the Peace One Day documentary, eventually deciding to aim for a UN resolution formalising the idea. This goal was reached in 2001.
Gilley organised two concerts at Brixton Academy, London, on 21 September 2002 and 2003. In 2004, the Peace One Day documentary premiered at the Edinburgh Film Festival, then the BBC aired the documentary in September of the same year. On the other side of the Atlantic in 2005, Angelina Jolie and Jonny Lee Miller hosted the North American Film Premiere to highlight Peace Day.
Gilley produced and filmed The Day After Peace, in association with the BBC. The film documents polio vaccinations on 21 September 2007 in Afghanistan. In May 2008 Jeremy Gilley received the award Campaigner of the Year.
In May 2016 Gilley was arrested on suspicion of child rape and was released on bail.
- "Old Millfieldian Society - Jeremy Gilley". Millfield School. 2011. Retrieved 11 February 2015.
- Derek Brown; Nick Francis, Britain's Best 2008 Awards at The Sun, published 19 May 2008, accessed 15 June 2008.
- Winners gallery, Britain's Best at itv.com, published 2008-15-23, accessed 15 June 2008.
- Tim Walker (25 March 2011). "Actress Emilia Fox takes her cub to work". The Telegraph. Retrieved 6 February 2013.
- Richard Kay (11 January 2012). "Emilia Fox brushes up on being alone again". Daily Mail. Retrieved 6 February 2013.
- Press Association (8 May 2016). "Peace campaigner Jeremy Gilley held over child rape allegation". The Guardian UK. Retrieved 29 May 2016.