He is the son of Marianne (van Dort), a homemaker, and Michael Edgerton, a solicitor and property developer.

[4][5] As a stuntman, he has worked on such films as The Matrix trilogy, The Thin Red Line, Superman Returns, and, most notably, Star Wars: Episode II – Attack of the Clones and Star Wars: Episode III – Revenge of the Sith, as the stunt double for Ewan McGregor, who played Obi-Wan Kenobi.

Throughout Edgerton's career, he has made critically well-received short films often starring himself, such as Spider and Bear.

He has also directed a total of four music videos for artist Bob Dylan ("Beyond Here Lies Nothin'", "Must Be Santa", "Duquesne Whistle", and "The Night We Called It a Day").

From 2018 to 2021, Edgerton directed every episode of Mr Inbetween, an Australian television black comedy-drama series starring and written by Scott Ryan.