Stults started his acting career at the age of seven by doing commercials alongside his brother George. He appeared on "Everybody Loves Raymond" as a mailman in the episode "What's with Robert?" He landed his first major role in 2002 as Ben Kinkirk, a fireman at the department in which Mary Camden was training and Mary's soon-to-be new love interest, on the show "7th Heaven". The role of Ben's brother, Kevin Kinkirk, was portrayed by George Stults, his real life brother. Stults portrayed Eddie Latekka for two seasons on the popular ABC drama series "October Road".