Marg Helgenberger during the WHAT A PAIR! 7, event to benefit the Breast Cancer Research at John Wayne Cancer Institute at St. John's Heath Center, on September 26, 2009, in Santa Monica, California. Photo: Michael Germana - Globe Photos, Inc ...

MARG HELGENBERGER Attends What A Pair! 7 To Benefit the John Wayne Cancer Institute Held At The Broad Stage In Santa Monica, California On September 26, 2009 Photo By: David Longendyke-Globe Photos Inc. ©2009

May 02, 2009 - Louisville, Kentucky, USA - MARG HELGENBERGER, who plays Catherine on the original ''CSI,'' said she misses actor William Peterson, who played Grissom, but said she likes working with new cast addition Laurence Fishburne. Helgenberger arrived at the 135th ...

Marg Helgenberger, who plays Catherine on the original ''CSI,'' said she misses actor William Peterson, who played Grissom, but said she likes working with new cast addition Laurence Fishburne. Helgenberger arrived at the 135th running of the Kentucky Derby at ...