Elisabeth Röhm is a German-American television and film actress. She is best known for playing Assistant District Attorney Serena Southerlyn in the American TV series Law & Order and Detective Kate Lockley in the TV series Angel.
Röhm received her first TV acting role in 1997, as Dorothy Hayes in the American soap opera One Life to Live. She had a starring role in the 1999 BBC Northern Ireland miniseries Eureka Street, then portrayed recurring character Detective Kate Lockley in the first two seasons (1999 to 2001) of the TV series Angel. While appearing in Angel, Röhm also had a regular role in the only season (2000–01) of the Turner Network Television drama series Bull.
Röhm portrayed regular character Assistant District Attorney Serena Southerlyn through four seasons (2001–2005) in the television series Law & Order. She also portrayed deputy DA Amanda Taylor on Stalker. More recently, Röhm has received critical acclaim for her roles in two David O. Russell films, American Hustle and Joy.
Röhm recently completed a role on NCIS (season 14) with Mark Harmon, Netflix’s Flaked opposite Will Arnett and the film Once Upon a Time in Venice. The Oath is coming up next for her on Sony’s Crackle TV, as well as Love Is All You Need?, Will Gardner, and The Tribes of Palos Verdes with Jennifer Garner.