Show made his debut in 1984 with the role of Rick Hyde in the soap opera Ryan's Hope. Here he was in 1987 for nominated for a Daytime Emmy Award. In the same year he moved from the series by its function as a sex symbol that he got. During his stay with the series, he got a relationship with fellow Yasmine Bleeth.
After from 1989 to 1991 to have played in True Blue, he got in 1992 a recurring guest role in the popular teen drama Beverly Hills, 90210. The character of Jake Hanson that he played, was also written in the spin-offserie Melrose Place. The role he continued to play until 1997 .
After this was Show to see mainly in television films. He also played recurring roles in several series, such as Six Feet Under in 2002, Strong Medicine in 2004 and Dirt in2007. He also received in 2005 a fixed role in Point Pleasant, a series that was canceled after 13 episodes already.
In 2012, he appeared in a supporting role as Brett in the horror movie The Possession .