Dean Geyer was born in Johannesburg South Africa and immigrated to Australia when he was 15 years old, commencing his schooling in Australia at Melbourne High School.
Geyer's family has a strong connection to martial arts. His grandfather Stan Schmidt was credited with formally introducing karate into South Africa. His father Keith Geyer, and many other members of the family are very highly regarded as being some of the most influential names in the sport both in South Africa and Australia. Following in family tradition and much of his life dedicating himself to the art, Dean attained his fourth degree black-belt.
Geyer's interest in music started during his early teens. He spent many years gigging around the city of Melbourne, and his seasoned ability was showcased during his Australian Idol audition in 2006. Dean progressed through the rounds and quickly became one of Australia's favorite competitors. He ended the competition securing 3rd place. Dean signed a record deal immediately following his departure from the show with Sony BMG. His debut album hit number 7 on the aria charts.
He was also a part-time model joining the agency 'Scene Models' in his hometown on Melbourne.
Geyer's career took a turn in 2008 where he was offered the role of Ty Harper on the long running Australian TV show Neighbors. His 8 month run on the show came to an end when Dean decided to take his passion for acting overseas. His first year in Los Angeles began with a film debut in Sony picture's Never Back Down 2, directed by Michael Jai White, where Geyer got to showcase his martial arts ability on screen as MMA fighter Mike Stokes.
Some credits throughout his years in the US include guest starring roles on VH1's 'Single Ladies', Hulu's 'Casual', NBC's 'Shades of Blue' opposite Jennifer Lopez, and a major recur on Steven Spielberg's 'Terra Nova' on Fox.
Fox's long running hit series 'Glee', picked up Dean as a major recur to play the role of Brody Weston opposite Lea Michele.
Dean moved on to shoot multiple films after his time on the show, including roles opposite Bruce Greenwood on 'Rehearsal' which he also co-produced. Most recently Geyer has two upcoming projects, scheduled to released in 2021. "Christmas in the Pines" being one which was shot during the coronavirus pandemic opposite his wife Jillian Murray.