Known best for his recurring role as Dr. Paul Grady on the NBC series ER, McKinney also appeared on Friday Night Lights; Supernatural; CSI; and Once Upon a Time.
Early in his acting career, he appeared in two episodes of The Brotherhood of Poland, New Hampshire.
By early 2015, he had close to twenty thousand Twitter followers.
A native of Houston, Texas, he later lived and worked in Los Angeles, California. He and his wife Kristin welcomed their daughter Vivienne James on September 4, 2016.