Marg Helgenberger was born on 01 Nov 1958 in Fremont, Nebraska, USA. Her birth name was Mary Margaret Helgenberger. Her height is 168cm.

Marg Helgenberger appeared in the movie Always(1989), Bad Boys(1995), Crooked Hearts(1991), "CSI: Crime Scene Investigation"(2000), Erin Brockovich(2000), Fire Down Below(1997), Species(1995), The Cowboy Way(1994), The Last Time I Committed Suicide(1997)。