Where to watch Casey Siemaszko in the UK
Find every Casey Siemaszko film and TV show streaming, free, or available to rent in the UK. Updated daily — verified 16 September 2026.
Casey Siemaszko (born Kazimierz A. Siemaszko) is a Polish-American actor and the brother of actress Nina Siemaszko. The son of a fighter in the Polish Underground who survived the Sachsenhausen concentration camp, Siemaszko narrated the 1998 feature, The Polish-Americans. Siemaszko was a graduate of the Goodman School of Drama at DePaul University in Chicago, which his sister, Nina Siemaszko later also attended. His acting career consists of smaller roles in dozen of popular films, including Back to the Future, Young Guns, Silence of the Heart, Of Mice and Men, Killing Kennedy, Back to the Fu…
Casey Siemaszko films streaming in the UK
Most-watched films featuring Casey Siemaszko, available across UK streaming, rent and buy.
Casey Siemaszko TV shows streaming in the UK
Selected TV credits featuring Casey Siemaszko.
Full filmography
Every credit ScreenSearch indexes for Casey Siemaszko, ranked by popularity. Click any title for UK streaming, rent and buy options.
- Law & Order (1990) as Bart Rainey
- Law & Order: Special Victims Unit (1999) as EPA Official
- The Blacklist (2013) as Sam Raimo
- Blue Bloods (2010) as Josh Thorp
- Law & Order: Criminal Intent (2001) as Harvey Gruenwald
- Elementary (2012) as Michael McGee
- Person of Interest (2011) as Lester Strickland
- Billions (2016) as Seids
- CSI: NY (2004) as Paul Sabotini
- White Collar (2009) as Bertie Slavkin
- The Facts of Life (1979) Cast
- Damages (2007) as Detective Dan Williams
- Unforgettable (2011) as Lt. Greg Sartain
- Back to the Future (1985) as 3-D
- Oz (1997) as Detective Tarnowski
- St. Elsewhere (1982) as Rick Messina
- Amazing Stories (1985) as Jonathan
- The Adventures of Brisco County, Jr. (1993) as Ned Zed
- Back to the Future Part II (1989) as 3-D
- Stand by Me (1986) as Billy Tessio
- Storm of the Century (1999) as Alton "Hatch" Hatcher
- Public Enemies (2009) as Harry Berman
- Young Guns (1988) as Charley Bowdre
- Secret Admirer (1985) as Roger Despard
- The Phantom (1996) as Morgan
- The Inside (2005) as Billy Ray Pope
- Of Mice and Men (1992) as Curley
- New Amsterdam (2008) as Peter Huygens
- Class (1983) as Doug
- Biloxi Blues (1988) as Don Carney
- Milk Money (1994) as Cash
- NYC 22 (2012) as Blume
- Hallmark Hall of Fame (1951) as Fergus
- Napoleon (1995) as Conan (voice)
- The Crew (2000) as Young Bobby Bartellemeo
- Chicago Sons (1997) Cast
- Gardens of Stone (1987) as Wildman
- Bliss (1997) as Tanner
- Three O'Clock High (1987) as Jerry Mitchell
- Mistrial (1996) as Detective Bobby Zito
Casey Siemaszko — FAQ
Where can I watch Casey Siemaszko films in the UK?
Casey Siemaszko'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 Casey Siemaszko's most popular films?
Most-watched Casey Siemaszko films currently: Back to the Future (1985), Back to the Future Part II (1989), Stand by Me (1986), Public Enemies (2009), Young Guns (1988).
What TV shows has Casey Siemaszko appeared in?
Selected TV credits: Law & Order (1990), Law & Order: Special Victims Unit (1999), The Blacklist (2013), Blue Bloods (2010), Law & Order: Criminal Intent (2001).
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