In 1999, Bell landed the role of Officer Ty Davis, Jr. on the NBC drama "Third Watch". He was one of only five original cast members to remain on the show throughout its entire six-season run on NBC. During the series' run, he co-starred in "Safe", a critically acclaimed play co-written by "Third Watch" co-star Anthony Ruivivar. The play co-starred "Third Watch" actors Jason Wiles and Yvonne Jung. He appeared in a "Third Watch" edition of the American version of "The Weakest Link".