After training as a fine artist before working as a director in theatre and opera, Australian writer, director, and producer, Greg McLean's filmmaking career began when he wrote and directed the hit horror film; Wolf Creek. The film played at the Sundance and Cannes Film festivals before going on to worldwide 'cult film' status.

After this success, Greg established Emu Creek Pictures, a production company based in Melbourne. He then wrote, directed, and produced the thrillers Rogue and Wolf Creek 2, before directing, The Darkness for Blumhouse, The Belko Experiment for MGM, and the survival thriller Jungle, based upon the best selling book. Greg then executive produced and directed episodes on two seasons of the Wolf Creek TV series and followed this by directing episodes for TV series including; The Gloaming, Bloom, Jack Irish, La Brea, The Twelve and Scrublands. In 2024 he was series director for the Netflix series; Territory.

Recently, Greg joined fellow director Patrick Hughes, along with screenwriter James Beaufort, in establishing Huge Film, a production company focused on producing thriller, action and horror genre film and television projects locally for the global marketplace.