Casey Siemaszko is a highly accomplished American actor, renowned for his versatility and extensive filmography, boasting over 60 credits spanning across three decades.
Born in Chicago, Illinois, to a Polish father and a British mother, Siemaszko comes from a family of actors, with his sister, Nina Siemaszko, also being a talented actress.
Siemaszko's early career began with his debut film role in the 1983 Rob Lowe-starring film "Class", which also featured notable actors such as John Cusack, Andrew McCarthy, and Alan Ruck. He continued to appear in several notable films throughout the 1980s, including "Silence of the Heart" alongside Charlie Sheen and Chad Lowe, and "Secret Admirer" with C. Thomas Howell, followed by a memorable role in "Back to the Future" alongside Michael J. Fox.
The 1980s proved to be a pivotal period for Siemaszko, as he continued to work with prominent directors and actors, including Rob Reiner in the Stephen King-adapted "Stand by Me", alongside John Cusack, Corey Feldman, River Phoenix, Kiefer Sutherland, and Wil Wheaton. He also appeared in Steven Spielberg's "Amazing Stories" and reprised his role as 3-D in the sequel "Back to the Future Part II".
Siemaszko's impressive resume continued to grow throughout the late 1980s, with starring roles in the comedy "Biloxi Blues" alongside Matthew Broderick, and the blockbuster hit "Young Guns" alongside Emilio Estevez, Charlie Sheen, Kiefer Sutherland, and Lou Diamond Phillips.
In the 1990s, Siemaszko delivered a standout performance in the critically acclaimed film "Of Mice and Men", directed by and starring Gary Sinise, based on the iconic novel by John Steinbeck. This marked a significant departure from his early work, solidifying his reputation as a talented and versatile actor.
After a brief hiatus, Siemaszko returned to the big screen with a memorable role in the Michael Mann film "Public Enemies" in 2009. He continued to work consistently throughout the 2010s, starring in the Rob Lowe-starring film "Killing Kennedy" in 2013.
Throughout his illustrious career, Siemaszko has consistently delivered top-notch performances, leaving an indelible mark on the film industry.
