---
name: "Mary B. McCann"
canonical: "https://film.one/person/mary-b-mccann"
fi1m_id: "mary-b-mccann"
imdb_id: "nm0564902"
tmdb_id: 17186
roles: []
reviewed_on_fi1m: 3
average_fi1m_score: 81
average_over: 3
updated: "2026-10-01T19:15:59.993641+00:00"
licence: "© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL."
---

# Mary B. McCann

## Identity

Mary B. McCann

- **Canonical:** https://film.one/person/mary-b-mccann
- **Type:** Person
- **Fi1m ID:** mary-b-mccann
- **IMDb ID:** nm0564902
- **TMDB ID:** 17186
- **Same entity:** https://www.imdb.com/name/nm0564902/, https://www.themoviedb.org/person/17186

Actor.

## Details

- **Active:** 1998–2018
- **Also known as:** Mary McCann
- **Fi1m score by decade:** 1990s 82 (1), 2000s 77 (1), 2010s 84 (1)
- **Score spread:** 2 at 80+, 1 at 60–79, 0 under 60
- **Lead roles:** 0 of 1 acting credits billed first or second
- **Genres:** Drama 3, Comedy 2, Crime 1, Romance 1
- **Screen time:** 4 hours of reviewed films
- **Box office:** $23m across 2 films with figures
- **Elsewhere:** https://www.imdb.com/name/nm0564902/, https://www.themoviedb.org/person/17186

## Streaming the US now

- **Amazon Prime Video:** [*Little Children*](https://film.one/film/little-children.md) (77)

For United States; add `?region=XX` for another country.

## Biography

Mary B. McCann is an actor and producer. She is a founding member of the Atlantic Theater Company and Executive Director of the Atlantic Theater Company Acting School in New York City.

Her film roles include Sister Carolyn in *Sleepers* (1996), Mary Ann in *Little Children* (2006), and Elaine Cross in *The House of the Devil* (2009). Television credits include appearances in *Law & Order: Special Victims Unit*, *The Blacklist*, *Marvel's Jessica Jones*, *Person of Interest* and *Elementary*. She produced the 2005 film *Edmond*.

*Sources: imdb.com.*

## On Fi1m (3)

- *Can You Ever Forgive Me?* (2018), Fi1m 84, as Judge — [page](https://film.one/film/can-you-ever-forgive-me.md)
- *Little Children* (2006), Fi1m 77, as Mary Ann — [page](https://film.one/film/little-children.md)
- *Sports Night* (1998), Fi1m 82, as Woman #2 — [page](https://film.one/tv/sports-night.md)

## Complete filmography (31)

Every credit, newest first. Titles without a page can be requested for review on the HTML page.

- *American Sports Story: Aaron Hernandez* (2024), series, as Dr. Ann McKee
- *Rushed* (2021), as Mrs. Croission
- *The Chair* (2021), series, as Nicole Hines
- *FBI: Most Wanted* (2020), series, as Rowan Knight
- *Dirty John* (2018), series, as Hilary Clark
- *Can You Ever Forgive Me?* (2018), as Judge — Fi1m 84, [page](https://film.one/film/can-you-ever-forgive-me.md)
- *Marvel's Jessica Jones* (2015), series, as Chief Ronnie Velasco
- *Caught* (2015), as Beth
- *The Blacklist* (2013), series, as Meryl Starkweather — Fi1m 63, [page](https://film.one/tv/the-blacklist.md)
- *Phil Spector* (2013), as Court Newscaster
- *Elementary* (2012), series, as Lawyer
- *Flood* (2012), as Linda
- *Person of Interest* (2011), series, as Lori Phipps — Fi1m 78, [page](https://film.one/tv/person-of-interest.md)
- *The House of the Devil* (2009), as Elaine Cross
- *Sordid Things* (2009), as Dr. Susan Caine
- *Choke* (2008), as Detective Dorfman
- *Little Children* (2006), as Mary Ann — Fi1m 77, [page](https://film.one/film/little-children.md)
- *The Unit* (2006), series, as Ruthie Cheals
- *Door to Door* (2002), as Gladys' Daughter-in-Law (as Mary McCann)
- *Law & Order: Criminal Intent* (2001), series, as Alice Garvey, Mandy Sherwood
- *Law & Order: Special Victims Unit* (1999), series, as Didi Denzler, Defense Attorney Wilkerson, Guidance Counselor
- *Sports Night* (1998), series, as Woman #2 — Fi1m 82, [page](https://film.one/tv/sports-night.md)
- *Sex and the City* (1998), series, as Lydia
- *The Spanish Prisoner* (1997), as Policewoman
- *Colin Fitz* (1997), as Bickering Wife Fan
- *Sleepers* (1996), as Sister Carolyn
- *Spin City* (1996), series, as T.V. Reporter
- *Promised Land* (1996), series, as Maureen Parker (as Mary McCann)
- *ER* (1994), series, as Judith Ramsey — Fi1m 88, [page](https://film.one/tv/er.md)
- *Law & Order* (1990), series, as Claudia Fadden — Fi1m 72, [page](https://film.one/tv/law-and-order.md)
- *Things Change* (1988), as Cocktail Waitress

---
© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL. Canonical: https://film.one/person/mary-b-mccann