Underwood is best known as an actor, playing attorney Jonathan Rollins on the NBC legal drama L.A. Law and appearing in films such as Set It Off and Deep Impact. He also writes detective fiction under his own name, beginning with Casanegra, the first Tennyson Hardwick novel, written with Steven Barnes and Tananarive Due. The series continues with From Cape Town with Love, the third book, written with Tananarive Due.
