|Diana Maria Riva|
|Character||Det. Roselyn Karpowski|
|Birthday||July 22, 1969|
|Birth Place||Cincinnati, Ohio, USA|
|Appearances|| The Double Down|
When the Bough Breaks
Riva was born Diana-Maria Uhlenbrock in Cincinnati, Ohio, the daughter of Maria (née Riva) and Christopher Uhlenbrock, a dentist. Riva made her acting debut in the short-lived 1996 television series Common Law.
Riva had recurring roles in Sabrina The Teenage Witch, The West Wing, and Studio 60 on the Sunset Strip; she was a lead performer in the summer 2007 series Side Order of Life.
Riva's feature film credits include What Women Want and Chasing Papi. She has also appeared as a celebrity guest on the Donny Osmond version of the game show Pyramid.
Riva starred as Lieutenant Ana Ruiz in the series "The Good Guys" alongside West Wing alum Bradley Whitford.