In 1999 Fong was cast in his first lead role in an independent film Spinning Gasing portraying Harry, a young musician who is caught between culture, religion and love.

Fong returned to Singapore for two years, to work in telemovies with longtime friend and director Kabir Bhatia, in the films On the Wings of Butterflies (playing a Japanese soldier who falls in love with a local Chinese Singaporean girl during World War II), and Full Circle.

In June 2009, Fong was cast in the Malaysian epic feature film Hikayat Merong Mahawangsa (also known internationally as The Malay Chronicles: Bloodlines, and in the television series Wadi Unung, for Astro Prima.

In March 2013, he appeared in Das Traumschiff, one of Germany's long-running television series, filmed in and around Kuala Lumpur and Langkawi, playing the character Beto.

Fong had a role in the 2022 Australian series, Mystery Road: Origin, directed by Dylan River and starring Mark Coles Smith for Bunya Productions.