Rider King Strong was born on December 11, 1979 in San Francisco, California to parents King Strong and Lin Warner. Rider's brother Shiloh is also an actor. Rider earned fame as Shawn Hunter in Boy Meets World. He's also famous for playing Paul in the indie horror-comedy Cabin Fever, directed by Eli Roth. Strong's family made their own production company named Redwood Shire Productions. He graduated magna cum laude from Columbia University in 2004.

Strong's film credits include Borderland, On the Rocks, Mojave, Cabin Fever, Buck Naked Arson, The Secret Pact, My Giant, and Benefit of the Doubt.

On television, Strong has appeared in Kim Possible: So the Drama (voice), Law and Order: Criminal Intent, Roughnecks: The Starship Troopers Chronicles, Invasion America (voice), Summertime Switch, Boy Meets World, The Last Hit, Julie, and Long Road Home.