What character did Mary Marg Helgenberger portray where she received several award nominations in the CBS police procedural drama?
Marg Helgenberger Mary Marg Helgenberger (born November 16, 1958) is an American actress. She began her career in the early 1980s and first came to attention for playing the role of Siobhan Ryan on the daytime soap opera "Ryan's Hope" from 1982 to 1986. She is best known for her roles as Catherine Willows in the CBS police procedural drama "" (2000–12, 2013) and the subsequent TV movie "Immortality" (2015) and as K.C. Koloski in the ABC drama "China Beach" (1988–91), which earned her the 1990 Emmy Award for Outstanding Supporting Actress in a Drama Series.
Loretta Devine Loretta Devine (born August 21, 1949) is an American actress and singer, best known for her roles as Marla Hendricks in the Fox drama series "Boston Public", and for her recurring role as Adele Webber on the Shonda Rhimes' "Grey's Anatomy", for which she won a Primetime Emmy Award for Outstanding Guest Actress in a Drama Series in 2011. She had a role in the series "Everybody Hates Chris" as Rochelle's mother. In film, Devine appeared in "Waiting to Exhale", "The Preacher's Wife", "I Am Sam", "Urban Legend", "Crash", "Woman Thou Art Loosed", "For Colored Girls", "This Christmas" and "Jumping the Broom". She also played Cynthia Carmichael on the NBC sitcom "The Carmichael Show".