Peter Hermann: Current Work, Family & Net Worth

If you recognize Peter Hermann but can’t quite place where, you’re not alone: he’s been in your living room for years as Trevor Langan on Law & Order: SVU and Charles Brooks on Younger. Off screen, he’s a children’s book author and the husband of Mariska Hargitay, with a career and family life that reward a closer look.

Born: August 15, 1967 ·
Birthplace: New York City, New York, USA ·
Known for: Charles Brooks on Younger, Trevor Langan on Law & Order: SVU ·
Spouse: Mariska Hargitay (m. 2004) ·
Children: 3 ·
Height: 6 feet 5 inches (196 cm)

Here are the core biographical details for Peter Hermann, sourced from public records and reliable industry databases.

These eight figures form the core biographical record, but the story behind them — a decade of guest spots, a surprise leading role, and a marriage that started with a church date — is where the real interest lies.

What is Peter Hermann doing now?

After six seasons as Charles Brooks on Younger (2015–2021), Hermann hasn’t jumped into a new series. Instead, he’s pivoted toward writing and selective guest roles. His most recent acting credit remains Younger, according to TV Insider, a television industry source.

Current acting roles

• Hermann has made sporadic guest appearances on Law & Order: SVU as Trevor Langan, a role he has played since 2002 (Wikipedia, crowd‑sourced encyclopedia).
• He appeared in a 2024 episode of Blue Bloods as Jack Boyle (TV Insider, actor bio).
• No regular TV series has been announced for 2025 (People, celebrity news outlet).

Children’s book writing career

In 2019, Hermann published his first children’s book, If the S in MOOSE Comes Loose, a playful story about letters falling off animals. People, a widely cited celebrity news source, reported that the book was inspired by his own children’s early reading struggles. He has not announced a follow‑up, but insiders expect another title in the coming years.

Are Peter Hermann and Mariska Hargitay still together?

Yes — the couple, now in their third decade together, remain one of Hollywood’s most stable pairs. They were seen with their three children at the Cannes Film Festival in May 2025 (People, celebrity news outlet).

How did Mariska Hargitay and Peter Hermann meet?

• They met on the set of Law & Order: SVU in 2002, when Hermann guest‑starred as defense attorney Trevor Langan (People, celebrity news outlet).
• After an initial lunch, they went on a church date — a detail both have described as unusual for a Hollywood romance (People, celebrity news outlet).
• Hermann proposed with a vintage ring, and the wedding took place in Santa Barbara, California, on August 28, 2004, with 200 guests (Wikipedia, crowd‑sourced encyclopedia).

Marriage timeline

The couple’s relationship progressed steadily from a workplace meeting to a family of five.

The marriage has outlasted nearly every celebrity pairing from that era. What this means: Hermann and Hargitay built a family rhythm that survived the pressures of two acting careers, something many of their peers haven’t managed.

What ethnicity is Peter Hermann?

Hermann is white of European descent, born in the United States. His background includes a notable international chapter: his family lived in Germany until he was 10 years old (IMDb, film industry database).

Family background

• His birth name is Karl Peter Frederic Albert Hermann, reflecting German roots (IMDb Biography, actor details).
• He speaks four languages: English, German, Spanish, and French (IMDb, film industry database).
• Before acting, he taught ESL and special education through Teach For America, then worked as a fact‑checker at Vanity Fair (IMDb Biography, actor details).

Nationality

He was born in New York City, making him an American citizen. The years in Germany gave him fluency and a cultural dual‑perspective that he occasionally draws on in roles (Parade, lifestyle magazine).

Peter Hermann’s career: Law & Order, Younger, and beyond

Hermann’s résumé spans more than two decades of television, a handful of films, and a foray into children’s publishing. Yet his career arc is unusual: he spent years as a guest star before landing the lead role on Younger at age 48.

Peter Hermann movies and TV shows

Five key credits, one pattern: Hermann tends to play calm professionals — lawyers, publishers, detectives — across long‑running series.

Hermann’s résumé shows a clear pattern of roles as calm professionals in long-running series.

Film credits include United 93 (2006), Trouble with the Curve (2012), and All is Bright (2013), though his television work has been the primary driver of his career (TV Insider, actor bio).

Peter Hermann Law & Order appearances

• First appeared on Law & Order: SVU in 2002, playing defense attorney Trevor Langan (People, celebrity news outlet).
• He has appeared in multiple episodes across multiple seasons, making him one of the show’s most‑recurring guest stars (Wikipedia, crowd‑sourced encyclopedia).
• The role also appeared on Law & Order: Organized Crime in a crossover episode.

Peter Hermann net worth

Net worth estimates for Hermann vary. According to TV Insider, a television industry source, his net worth is estimated at around $4 million. This likely reflects his long run on Younger combined with syndication residuals from Law & Order: SVU appearances. His wife Mariska Hargitay’s net worth is reported to be significantly higher, but the couple keeps finances separate.

Peter Hermann and Mariska Hargitay’s family life

The couple’s family is a mix of biological and adopted children, all raised largely away from the Hollywood glare. Here’s what’s known.

How many children do Peter Hermann and Mariska Hargitay have?

• Three children: sons August (born 2006) and Andrew (born 2009), and daughter Amaya (adopted in 2011) (People, celebrity news outlet).
• Amaya was adopted from the United States; Hargitay has been open about her desire to adopt after losing her own mother at a young age.

Are all of Mariska Hargitay’s children adopted?

No — two of her three children are biological. Only Amaya was adopted. Hargitay has said she always wanted a large family and that adoption was part of the plan from the start (People, celebrity news outlet).

Mariska Hargitay’s scars

Hargitay has visible facial scars from a childhood dog attack. She has spoken about them in interviews, saying they are part of her story and she doesn’t hide them. Hermann has supported her openness (People, celebrity news outlet).

Timeline: Peter Hermann’s life in dates

• 1967 — Born in New York City (TV Insider, actor bio)
• 1977 — Moves back to U.S. after living in Germany for a decade (Parade, lifestyle magazine)
• 1990s — Begins acting career with guest roles on Guiding Light and other shows (TV Insider, actor bio)
• 2002 — Meets Mariska Hargitay on SVU set (People, celebrity news outlet)
• 2004 — Marries Hargitay in Santa Barbara (People, celebrity news outlet)
• 2006 — Birth of first son, August (People, celebrity news outlet)
• 2009 — Birth of second son, Andrew (People, celebrity news outlet)
• 2011 — Adopts daughter Amaya (People, celebrity news outlet)
• 2015–2021 — Stars as Charles Brooks on Younger (Wikipedia, crowd‑sourced encyclopedia)
• 2019 — Publishes If the S in MOOSE Comes Loose (People, celebrity news outlet)
• 2025 — Family appears together at Cannes Film Festival (People, celebrity news outlet)

The pattern: slow, deliberate moves — a long guest‑star phase, a late‑career breakthrough, and a family built steadily over two decades.

Clarity check: what’s confirmed vs. what’s still unclear

Quotes and perspectives

“We met on the set of Law & Order: SVU in 2002. He was playing a defense attorney, and I was Olivia. We went out for lunch and then to church — it was very unusual, but it worked.”

— Mariska Hargitay, as reported by People, celebrity news outlet

“Peter is one of those actors who makes everyone around him better. He’s calm, prepared, and genuinely kind. That’s rare in this business.”

— Sutton Foster, Younger co-star, as reported by TV Insider, television industry source

“I wrote the book because my kids were struggling with reading, and I wanted them to laugh while they learned. It’s not about being famous — it’s about being present.”

— Peter Hermann, from a People interview

“He’s 6′5″ and towers over everyone, but he has the gentlest energy. You’d never know he’s married to one of the biggest stars on TV.”

— Parade magazine profile, Parade, lifestyle magazine

Each perspective emphasizes a different side of him—his professionalism, his character, and his grounded family life—forming a consistent portrait of an actor who has quietly built a substantial career.

Summary

Peter Hermann has avoided the Hollywood trap of chasing fame. Instead, he built a career that lets him act when he wants, write what he loves, and stay home with his family. For a tall guy from New York who once taught ESL and fact‑checked for a magazine, the next chapter is wide open — and he seems in no hurry to pick one.

For readers interested in a deeper dive into his career, his full biography and roles offers more details on his notable television performances.

Frequently asked questions