While at BYU, Gettling performed with the comedy troupe The Garrens. His comedic training continues to benefit him.
Gettling currently works as the artistic director at the Hughes Brothers Celebrity Theatre in Branson, Missouri. There he has created the Hot Spot Comedy Show and The Adventures of a Performing Family.
In addition to his theatrical work, Gettling has made appearances in various television series and made for tv movies. His credits include work on Touched by an Angel , Promised Land and Only Once.
In 2008, Gettling starred in The Flyboys which received awards from multiple independent film festivals.