She's mostly known for her role as Catherine Willows in the first show of the franchise, "CSI," a role that she played since the series' creation in 2000 until 2013, for a total of 13 years - so, how much did Marg Helgenberger's net worth grow while she was on the show?

One of the most recognizable television actresses in the world (before "CSI" she starred in "China Beach," a series that went from 1988 to 1991 with the role that gave her an Emmy), Marg Helgenberger's net worth is probably higher than you imagine, though she has remained mostly working in the small screen.

Now, Deadline reports that Marg Helgenberger's net worth is about to grow even more, as the 56 year-old actress has now officially join the cast of Stephen King's "Under the Dome," as she'll be playing an extensive guest starring role for this season, as the show moves to a new week slot: Thursdays at 10, right after "Big Brother," making it one of the shows with the best slots in the week.

According to The Hollywood Reporter, this could give Marg Helgenberger's net worth a chance to really grow, as "Under the Dome" was the most successful series on television last summer, with 11.3 million viewers, and, with 2.8, the highest rated scripted entry on the key demographic of adults between the ages of 18 and 49.

Besides raising Marg Helgenberger's net worth, this means the "CSI: Crime Scene Investigation" star will be returning to the network that saw her most famous work bloom, as they set up the new schedules for the series based on a Stephen King novel, and where the famous horror author is also an executive producer.

Currently, Celebrity Net Worth reports Marg Helgenberger's net worth as $16 million, which puts the "Erik Brokovich" actress in a position to choose whatever work she prefers!