He is known for his television roles as Kyle McCarty on Judging Amy, Lee McDermott on Desperate Housewives, and Ted Chaough on Mad Men.

[3] After returning to the United States, he studied pre-law at Brigham Young University, before changing his major to drama.

[5] On October 21, 2007, he made his first appearance as Lee McDermott, a new Wisteria Lane resident on ABC's Desperate Housewives, who is gay.

From 2010 to 2015, Rahm played Ted Chaough, a Madison Avenue advertising creative director, in AMC's award-winning series Mad Men.

[citation needed] In March 2015, Rahm began starring in a recurring role as consultant and attorney Michael "Mike B."