Kristopher Ian Mochrie (born 24 October 1984) is an English actor. He is known for portraying the roles of Lee Posner in the ITV soap opera Emmerdale, Jez in the BBC drama series Ordinary Lies, and Ali Gordon in the Channel 4 soap opera Brookside. Kristopher studied Business at St Edward's College in Liverpool and trained at Manchester School of Acting. Mochrie has been acting since the age of seven.

In 2002, Mochrie was cast as Ali Gordon in the Channel 4 soap opera Brookside, a member of the newly introduced Gordon family. His departure from the soap aired in July 2003. In 2004, he appeared in an episode of Heartbeat. Throughout 2005, he made appearances in Ideal, Doctors and Girls in Love. In 2006, he appeared in Life on Mars and Waterloo Road. In 2007, Mochrie appeared as Richard Brandon in an episode of The Bill. In 2008, he made an appearance in the medical soap opera The Royal Today.

Following Mochrie's release from prison, he rebooted his acting career in 2010, making an appearance as Niall in an episode of the ITV soap opera Emmerdale, before appearing as D.C. Furber in an episode of Coronation Street the following year. In 2015, Mochrie appeared in the BBC drama series Ordinary Lies as Jez, the husband of Emma and an employee at JS Motors. He also made another appearance in Emmerdale as an instructor. In 2016, Mochrie appeared in the short film Rapscallions, before appearing as Captain Ross in the television film To Walk Invisible based on the Brontë family. In 2017, Mochrie played Scott in three episodes of The League of Gentlemen. In 2018, he appeared in the CBBC series' 4 O'Clock Club and Katy and in an episode of Bulletproof as Daley.

In 2019, Mochrie returned to Emmerdale for a third stint, this time on a regular basis as Lee Posner. He made his first appearance in April and departed in October of that year. In 2022, he appeared as Mr Webster in the BBC series Rebel Cheer Squad,[13] followed by an appearance in an episode of the ITV drama Vera as Adam Michaels in 2023.[14]