Harrison is an award-winning UK-based drama editor whose work spans some of the most acclaimed television productions of recent years.

Most recently, he completed editing on The Husbands, a new series from A24 and Apple TV+. In 2025, he worked across three major productions: Slow Horses Season 6 for Apple TV+, Vanished for Amazon Prime Video, and Counsels for BBC One.

Harrison previously edited Season 4 of Slow Horses, which received nominations across the BAFTA Awards, Primetime Emmy Awards, Golden Globe Awards, and Critics Choice Awards. His work on the series earned the Televisual Bulldog Award for Best Editing. He also edited the Emmy Award-winning episode "Hello Goodbye," which contributed to director Adam Randall receiving the Emmy for Outstanding Directing for a Drama Series.

Since 2018, Harrison has worked as an editor on a range of high-profile dramas, including Gangs of London (Sky Atlantic), Champion (BBC/Netflix), and Reunion (BBC One). He also served as an Associate Editor on Apple TV+'s acclaimed limited series Masters of the Air.

Earlier in his career, Harrison worked as an Assistant Editor on numerous prestige dramas, including HBO's Big Little Lies, FX's Trust, and Channel 4's Humans.