Casey Siemaszko

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 Future Part II and Stand By Me.

Casey Siemaszko has built a filmography of 12 credits over a career spanning from 1982 to 2009.

Casey Siemaszko's most notable role to date came in Back to the Future (1985), where he played 3-D. He also appeared in Back to the Future Part II (1989) as 3-D. Most recently appeared in Stand by Me (1986) as Billy Tessio.

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