Elisabeth Rhm is a German American television actress, best known for playing Assistant District Attorney Serena Southerlyn on the television drama Law & Order and as Detective Kate Lockley on the TV series Angel.
Rhm, who made Maxim magazine's Hot 100 list in 2002, had her first major television role as Dorothy Dorf Hayes on the soap opera One Life to Live (1997). She also had recurring role on Angel as Detective Kate Lockley and a regular role on the TNT drama Bull before being cast in Law & Order. She left the series in 2005.
From 2009-2010, Elisabeth starred as Lauren Gilmore on HEROES. She has three films due out in 2011 Abduction, Transit and Chlorine.