He is the younger brother of author and Fox News Channel legal analyst Lis Wiehl.
Wiehl starred in several plays during college including Henry V, The Owl and the Pussycat and Lonestar.
His most prominent role has been as the quarterback Derek McConnell in ESPN's short-lived series Playmakers.
Wiehl has made guest appearances on television shows including Popular, CSI: Crime Scene Investigation, Birds of Prey and Charmed (for the episode Animal Pragmatism).
Wiehl was a guest star on Buffy the Vampire Slayer during season one, in the role of "Owen" in the episode "Never Kill a Boy on the First Date".