Oliver Martyn John Phelps (born 25 February 1986) is an English actor. He is known for playing George Weasley in the Harry Potter film series from 2001 to 2011, alongside his twin brother, James Phelps. The twins have continued to work together as a duo on other projects.

Oliver Phelps was born in the Sutton Coldfield area of Birmingham,^[1] England on 25 February 1986, 13 minutes before his brother James. They are the only children of Susan (née Spare) and Martyn Phelps. Growing up, Oliver and his brother attended Little Sutton Primary School and the Arthur Terry Secondary School. During the filming of the Harry Potter series, the twins were tutored on set.^[2]

In 2000, despite having no previous acting experience, the twins skipped school to attend an open audition in Leeds. After about six auditions, the twins were cast as Fred and George Weasley in the film Harry Potter and the Philosopher's Stone.^[2] At the first table reading after being cast, Oliver was given the role of George and James was given the role of Fred.

In 2009, the twins appeared as brothers in the fifth episode of the third season of the TV series Kingdom.^[3] In 2012, they starred in A Mind's Eye, a short documentary film based on the philosophical ideas of Plato.^[4][5]

The twins have also been involved in the Harry Potter Exhibition. They were present during its 2009 opening in Chicago and later toured various cities and countries to promote it.^[2]

In January 2014, the twins attended the Harry Potter Celebration in Orlando, Florida along with Evanna Lynch, Matthew Lewis, and Devon Murray. They also made a LiveCast where they answered fans' questions and talked about the expansion at The Wizarding World of Harry Potter.^[6]

Oliver Phelps made his stage debut in 2018, in a production of The Case of the Frightened Lady (based on a novel of the same name by Edgar Wallace) at the Grand Opera House, York. He shared the stage with fellow actor Deborah Grant.^[7][8]

Phelps married Katy Humpage in 2015. They have two daughters named Autumn and Emilia.^[12]

In January 2003, Oliver and his brother planted trees at the National Forest, in Leicestershire. The trees were birch and ash--the same types of wood that helped make the broomsticks used in the Harry Potter films.^[13]

The twins are supporters of Teenage Cancer Trust,^[14] the "Celebrity World Cup Soccer Six",^[15] the Virgin Money Giving drive,^[16] and Cancer Research UK in Australia.^[17]