Mary McCormack

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 2 May 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).

  • Acting
  • Born 8 February 1969 (age 57)
  • Plainfield, New Jersey, USA
  • 77 credits

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

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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), Miracle on 34th Street (1994), Vicious (2025).

What TV shows has Mary McCormack appeared in?

Selected TV credits: Law & Order (1990), Watch What Happens Live with Andy Cohen (2009), The Pitt (2025), Law & Order: Criminal Intent (2001), ER (1994).

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