Where to watch Mary McCormack in the UK
Find every Mary McCormack film and TV show streaming, free, or available to rent in the UK. Updated daily — verified 17 June 2026.
Mary Catherine McCormack is an American actress. She has had leading roles as Justine Appleton on the series Murder One (1995–1997), as Deputy National Security Adviser Kate Harper on The West Wing (2004–2006), as Deputy U.S. Marshal Mary Shannon on In Plain Sight (2008–2012), and as Peggy on the comedy series The Kids Are Alright (2018–2019).
Mary McCormack films streaming in the UK
Most-watched films featuring Mary McCormack, available across UK streaming, rent and buy.
Mary McCormack TV shows streaming in the UK
Selected TV credits featuring Mary McCormack.
Full filmography
Every credit ScreenSearch indexes for Mary McCormack, ranked by popularity. Click any title for UK streaming, rent and buy options.
- Law & Order (1990) as Rickie the Bartender
- Watch What Happens Live with Andy Cohen (2009) as Self - Guest
- Law & Order: Criminal Intent (2001) as Mary Shannon
- ER (1994) as Debbie
- The West Wing (1999) as Kate Harper
- The Pitt (2025) as Dr. Linda Conley
- The Late Late Show with Craig Ferguson (2005) as Self
- Jimmy Kimmel Live! (2003) as Self
- Scandal (2012) as Lisa Elliot
- The Ellen DeGeneres Show (2003) as Self
- The Tonight Show with Jay Leno (1992) Cast
- Tony Awards (1956) as Self - Nominee
- 25 Words or Less (2018) as Self
- The Newsroom (2012) as Molly Levy
- In Plain Sight (2008) as Mary Shannon
- Angie Tribeca (2016) as Abigail Liukin
- Murder One (1995) as Justine Appleton
- Late Night with Jimmy Fallon (2009) as Self
- Chelsea (2016) as Self
- To Tell the Truth (2016) as Self - Panelist
- Match Game (2016) as Self - Panelist
- Will & Grace (2017) as Janet
- House of Lies (2012) as Denna Altshuler
- The Late Late Show with Craig Kilborn (1999) as Self - Guest
- For the People (2018) as Chloe Daniels
- The L Word: Generation Q (2019) as Anne Finley
- Deep Impact (1998) as Andrea Baker
- Divorce (2016) as Kathy DeSantis
- 1408 (2007) as Lilly Enslin
- Heels (2021) as Willie Day
- K-PAX (2001) as Rachel Powell
- Vicious (2025) as Mother
- K Street (2003) as Maggie Morris
- 54 (1998) as New Year's Eve Wife (uncredited)
- Welcome to the Family (2013) as Caroline Yoder
- Miracle on 34th Street (1994) as Myrna Foy
- Private Parts (1997) as Alison Stern
- The Kids Are Alright (2018) as Peggy Cleary
- Loaded (2017) as Casey
- True Crime (1999) as Michelle Ziegler
Mary McCormack — FAQ
Where can I watch Mary McCormack films in the UK?
Mary McCormack's films and TV shows are available across UK streaming services. Click any title in the filmography below to see exactly which UK service has it — Netflix, Amazon Prime Video, Disney+, Apple TV+, BBC iPlayer, ITVX, NOW, Sky, MUBI and more — updated daily.
What are Mary McCormack's most popular films?
Most-watched Mary McCormack films currently: Deep Impact (1998), 1408 (2007), K-PAX (2001), Vicious (2025), 54 (1998).
What TV shows has Mary McCormack appeared in?
Selected TV credits: Law & Order (1990), Watch What Happens Live with Andy Cohen (2009), Law & Order: Criminal Intent (2001), ER (1994), The West Wing (1999).
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