There are few actors who can switch from a goofy sitcom sidekick to a gravel-voiced corporate villain on Pandora, but Giovanni Ribisi has done exactly that. Born in 1974 (IMDb) in Los Angeles, he and his twin sister Marissa Ribisi (Wikipedia) both became actors, carving out distinct paths in Hollywood.

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Birth year: 1974 (IMDb) ·
Notable film: Saving Private Ryan (1998) (IMDb) ·
TV role: Phoebe Buffay’s half-brother Frank Jr. in Friends (IMDb) ·
Twin sister: Marissa Ribisi (actress) (Wikipedia) ·
Marriages: Two (divorced from Mariah O’Brien and Agyness Deyn) (IMDb)

Quick snapshot

1Confirmed facts
  • Giovanni Ribisi’s twin sister is Marissa Ribisi (Wikipedia).
  • He played Frank Buffay Jr. in Friends (IMDb).
  • He is divorced from Mariah O’Brien and Agyness Deyn (IMDb).
  • He played Parker Selfridge in Avatar (2009) (Rotten Tomatoes).
2What’s unclear
  • The exact nature or origin of any disability Ribisi may have is not publicly confirmed by reliable biographical sources (Wikipedia).
3Timeline signal
  • 1995‑1998: Played Frank Buffay Jr. in Friends (IMDb).
  • 1998: Starred as Irwin Wade in Saving Private Ryan (IMDb).
  • 2009: Portrayed Parker Selfridge in Avatar (Rotten Tomatoes).
  • 2021: Married model Agyness Deyn (IMDb).
  • 2024: Filed for divorce from Agyness Deyn (IMDb).
4What’s next
  • Producing credit on Avatar: Fire and Ash (2025) (Rotten Tomatoes).
  • Appearing in Horizon: An American Saga – Chapter 1 & 2 (Rotten Tomatoes).

Six key details about Giovanni Ribisi, pulled from verified records.

Label Value
Full name Antonino Giovanni Ribisi
Born December 17, 1974 (IMDb)
Occupation Actor
Years active 1985–present (IMDb)
Notable TV role Frank Buffay Jr. in Friends (IMDb)
Notable film role Parker Selfridge in Avatar (Rotten Tomatoes)

The pattern: Ribisi is a character actor who pops up in culturally defining projects, from 1990s blockbusters to 21st‑century sci‑fi epics.

What is Giovanni Ribisi most known for?

  • His guest role as Frank Buffay Jr., Phoebe’s half‑brother, on Friends (IMDb).
  • Major film appearances in Saving Private Ryan (1998) (IMDb) and Avatar (2009) (Rotten Tomatoes).
  • He has a twin sister, Marissa Ribisi, who is also an actress (Wikipedia).

The implication: Ribisi’s career is defined by his versatility, jumping from sitcoms to war epics to sci-fi franchises.

Who is Giovanni Ribisi’s twin?

  • His twin sister is Marissa Ribisi, an actress known for films like Dazed and Confused and The Brady Bunch Movie (Wikipedia).

What this means: The Ribisi twins both entered the entertainment industry, though Giovanni’s higher‑profile roles have given him broader public recognition.

Who is Giovanni Ribisi in Friends?

  • He played Frank Buffay Jr., the half‑brother of Phoebe Buffay (IMDb).
  • He appeared in multiple episodes across seasons 2, 3, and 5 (IMDb).

The catch: Although Frank Jr. was a recurring character, his quirky presence remains one of the show’s most fondly remembered arcs.

What happened to Giovanni Ribisi?

  • He filed for divorce from model Agyness Deyn in 2024 after 2.5 years of marriage (IMDb).
  • He previously divorced Mariah O’Brien in 2006 (IMDb).
  • He continues to take on acting roles, with credits in 2024 and 2025 (Rotten Tomatoes).

Why this matters: Personal upheavals haven’t stopped Ribisi from staying active in the industry, balancing family life with a steady stream of work.

Who is Giovanni Ribisi’s first wife?

  • His first wife was Mariah O’Brien, whom he married in 1997 and divorced in 2006 (IMDb).
  • They have a child together (IMDb).

The pattern: Both of his marriages ended, but he maintains a strong professional output that spans decades.

Timeline

  • 1995‑1998 – Appeared as Frank Buffay Jr. on Friends (IMDb).
  • 1998 – Played Irwin Wade in Saving Private Ryan (IMDb).
  • 2009 – Portrayed Parker Selfridge in Avatar (Rotten Tomatoes).
  • 2021 – Married model Agyness Deyn (IMDb).
  • 2024 – Filed for divorce from Agyness Deyn (IMDb).

Confirmed facts

  • Giovanni Ribisi has a twin sister, Marissa Ribisi (Wikipedia).
  • He played Frank Buffay Jr. in Friends (IMDb).
  • He is divorced from Mariah O’Brien and Agyness Deyn (IMDb).
  • He appeared in Avatar (2009) as Parker Selfridge (Rotten Tomatoes).

What’s unclear

  • The exact nature or origin of any disability Ribisi may have is not publicly confirmed by reliable sources (Wikipedia).

The takeaway: Ribisi’s professional record is well-documented, while personal health details remain unconfirmed.

Additional sources

instagram.com, simple.wikipedia.org, imdb.com, tvguide.com, facebook.com, mynameisearl.fandom.com, imdb.com, thatshelf.com, tv.apple.com

For a comprehensive look at his career, readers can explore Giovanni Ribisis filmography which details his most notable roles.

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Frequently asked questions

What was Giovanni Ribisi’s first major film role?

An early film credit is Mind Ripper (1995), but his breakout was Saving Private Ryan (1998) (IMDb).

How many episodes of Friends was Giovanni Ribisi in?

He appeared in multiple episodes across seasons 2, 3, and 5 (IMDb).

Is Giovanni Ribisi still acting?

Yes, he continues to take on acting and producing work, including the upcoming Avatar: Fire and Ash (2025) (Rotten Tomatoes).

What is the relationship between Giovanni Ribisi and Marissa Ribisi?

They are fraternal twins, both actors (Wikipedia).

Did Giovanni Ribisi win any awards for his acting?

He has not received major competitive awards, but his performances have been widely noted in reviews (Rotten Tomatoes).

What character did Giovanni Ribisi play in Avatar?

He played Parker Selfridge, the corporate administrator of the RDA on Pandora (Rotten Tomatoes).

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