The couple separated in January, and filed divorce papers in L.A. County Superior Court earlier this month, citing irreconcilable differences.
Lucy and Owain married in 2006 following a whirlwind six month romance, and have no children.
Winter wedding: Lucy Davis married The Mentalist star Owain Yeoman in St Paul's Cathedral on 9 December 2006
The couple were able to marry in St Paul's cathedral as Lucy's father, Jasper Carrott, was awarded an OBE in the New Year's Honours in 2002.
The lavish event was attended by 300 guests, fellow The Office stars, Mackenzie Crook, Martin Freeman, Ewen MacIntosh, Joel Beckett and co-writer and co-director Stephen Merchant.
There have been reports of the marriage being on the rocks since 2008 however, as Lucy was spotted out without her wedding ring
In February the pair released a statement saying: ‘We have separated but are on good terms and would kindly ask for our privacy to be respected during this time.’
Difficult times: The couple, pictured in 2008 at the launch party for BritWeek in LA, endured a few rocky patches that year
A source then revealed: ‘They have had troubles in their marriage before but this split looks like the end. Owain won’t talk about it and Lucy is devastated.
Owain has already moved out of the marital home and he appears to have moved on. He has been seen out and about in Hollywood with other girls.’
The actors met each other in Los Angeles after both moving to the US to pursue their acting careers and shared a two-bedroom cottage in the city’s trendy Larchmont Village area.
38-year-old Lucy is still best known for her role in Ricky Gervais’s comedy The Office, in which she played lovelorn secretary Dawn, whose long flirtation with sales rep Tim – played by Martin Freeman – eventually resulted in them kissing during the final series.
Her latest film, Some Guy Who Kills People, has garnered positive reviews.