Cullen Chaffin was born in Baton Rouge, LA. Cullen began his training as an actor in local community theater. During the summers, Cullen participated in the New Orleans Center for Creative Arts (NOCCA) program. Cullen landed his first role in film when he was cast as "Fry" in a Columbia University produced short film Terrebonne (2009). This film was written and directed by Alfred P. Sloan Foundation winner Jeremy Craig, also starring Jessica Heap, Dean West, and Lance Nichols. Ji Un Choi wrote, produced and directed Cullen's next project Hush Now (2010). Cullen was cast as "Simon" in the feature film The Chaperone (2011), starring Paul Levesque (Tripe H) and Ariel Winters. Cullen is currently attending Southeaster Louisiana University in Hammond, Louisiana.