Marg Helgenberger Joins CBS's Boston Blue as Gwen Silver
Helgenberger will debut as Sarah Silver's estranged biological mother in the Season 2 episode Bloodlines.
Marg Helgenberger has been cast in CBS's Boston Blue, according to collider.com. She will play Gwen Silver, the estranged biological mother of Sarah Silver, a character played by Maggie Lawson.
Helgenberger's first appearance comes in the Season 2 episode titled Bloodlines, scheduled for November 13, 2026.
Boston Blue is a spin-off and continuation of Blue Bloods, following the Silver family of law enforcers.
In the series, Donnie Wahlberg's Danny Reagan moves to Boston to mentor his son Sean, played by Mika Amonsen, who took over the role from Andrew Terraciano.
Quick answers
Who does Marg Helgenberger play in Boston Blue?
She plays Gwen Silver, the estranged biological mother of Sarah Silver, who is played by Maggie Lawson.
When does Marg Helgenberger debut in Boston Blue?
She debuts in the Season 2 episode titled Bloodlines, scheduled for November 13, 2026.