Most notable for his roles on popular Australian soap operas such as Home and Away and Neighbours. He also had a career as a ballet dancer, performing with the Sydney Dance Company and the Australian and West Australian Ballets.
He trained as a dancer at Sydney's McDonald College of Performing Arts.
From 2008 until 2009, he played the role of Dr. Adam Rossi on the hospital drama All Saints.
His marriage to fellow dancer Linda Ridgway resulted in two children.
American vocalist Barbra Streisand chose Gamblin as the only male dancer to accompany her on her Australian music tour.