Gibbs began his acting career an early age, acting with many professional sports celebrities including Merlin Olson, Hank Aaron, Wilt Chamberlain, Bruce Penhall, Mark Harmon and Bruce Jenner.
He appeared as a series regular on Santa Barbara, Rousters and Father Murphy. His other television credits include Secrets, Police Story, Family Honor, Huckleberry Finn, Goldie & The Boxer II, Deliberate Strangers and the Emmy Award-winning movies of the week Contract For Life and Dead Wrong. Gibbs was also seen on television in The Father Dowling Mysteries and Growing Pains. In addition, he appeared in the feature films Witchboard II, The Kindred, Just Between Friends and A Letter From Brian.
When not working, Timothy enjoys a range of outdoor activities as well as cooking and writing.