Marg Helgenberger On 'The Late Show With David Letterman'

01/20/2012 08:06 am ET

While actress Marg Helgenberger has announced her departure from the popular CSI series after 12 seasons, the 53-year old is looking forward to some much-needed time off. She described one of her "lousiest jobs" as a working actress to David Letterman while appearing on his show Tuesday night. Check out the clip above to find out what Steven Segal had to do with it.

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