Marshall Allman began his acting career at the age of 15, when he produced and appeared in The History of the Devil, a premiere production of the Fear Theatre Company in Austin, Texas.

He originally intended to pursue a career in professional soccer, but when it came time to choose a college, his career path changed and he was deciding between New York to study art and Los Angeles to study acting.

After moving to Hollywood, Allman quickly landed acting roles in such films as Hostage, Dishdogz, Shallow Ground and Little Black Book. He has also appeared on television shows such as The Practice, Without a Trace and Malcolm in the Middle.