Stults is best known for his role as Kevin Kinkirk on the long-running family drama series 7th Heaven.
Stults was born in Detroit, Michigan, and grew up in Green Mountain Falls, Colorado.
A commercial agent spotted Stults eating lunch one day and stopped to give him her card and he then entered into the world of acting.
In February 2001, Stults made his first television appearance, outside of commercials, in a minor guest role on an episode of Will & Grace, and a short time later he made a guest appearance on a season 7 episode of Friends, The One With Joey's New Brain as Jessica Lockhart's daughter's boyfriend.
In the mid-2010s, Stults began starring in television movies, mostly as the male lead in romantic Christmas-themed films.