Casey Siemaszko
E634212
Casey Siemaszko is an American actor best known for his roles in films such as "Back to the Future," "Stand by Me," and "Young Guns."
All labels observed (1)
| Label | Occurrences |
|---|---|
| Casey Siemaszko canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6966170 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Casey Siemaszko Context triple: [704 Hauser, portrayedBy, Casey Siemaszko]
-
A.
Madison Kocian
Madison Kocian is an American artistic gymnast, Olympic gold and silver medalist, and former member of the U.S. national team known for her success on the uneven bars.
-
B.
Zach Callison
Zach Callison is an American actor and voice actor best known for voicing the title character in the animated television series "Steven Universe."
-
C.
Austin Winkler
Austin Winkler is an American rock singer best known as the former lead vocalist and founding member of the band Hinder.
-
D.
Casey Robinson
Casey Robinson was an American screenwriter best known for his work on classic Hollywood films of the 1930s and 1940s, including several celebrated Errol Flynn swashbucklers and romantic dramas.
-
E.
Jake Kiszka
Jake Kiszka is the lead guitarist and a founding member of the American rock band Greta Van Fleet, known for his blues-influenced, classic rock-inspired playing style.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Casey Siemaszko Target entity description: Casey Siemaszko is an American actor best known for his roles in films such as "Back to the Future," "Stand by Me," and "Young Guns."
-
A.
Madison Kocian
Madison Kocian is an American artistic gymnast, Olympic gold and silver medalist, and former member of the U.S. national team known for her success on the uneven bars.
-
B.
Zach Callison
Zach Callison is an American actor and voice actor best known for voicing the title character in the animated television series "Steven Universe."
-
C.
Austin Winkler
Austin Winkler is an American rock singer best known as the former lead vocalist and founding member of the band Hinder.
-
D.
Casey Robinson
Casey Robinson was an American screenwriter best known for his work on classic Hollywood films of the 1930s and 1940s, including several celebrated Errol Flynn swashbucklers and romantic dramas.
-
E.
Jake Kiszka
Jake Kiszka is the lead guitarist and a founding member of the American rock band Greta Van Fleet, known for his blues-influenced, classic rock-inspired playing style.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
film actor
ⓘ
human ⓘ stage actor ⓘ television actor ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| dateOfBirth | 1961-03-17 ⓘ |
| educatedAt | The Theatre School at DePaul University NERFINISHED ⓘ |
| ethnicOrigin | Polish ⓘ |
| familyName | Siemaszko NERFINISHED ⓘ |
| givenName |
Casey
NERFINISHED
ⓘ
Kazimierz NERFINISHED ⓘ |
| hasIMDbId | nm0797094 ⓘ |
| languageSpoken | English ⓘ |
| name | Casey Siemaszko NERFINISHED ⓘ |
| notableWork |
Back to the Future
NERFINISHED
ⓘ
Back to the Future Part II NERFINISHED ⓘ Biloxi Blues NERFINISHED ⓘ Blue Bloods (TV series) NERFINISHED ⓘ Breaking In (1989 film) NERFINISHED ⓘ Class (1983 film) NERFINISHED ⓘ Damages (TV series) NERFINISHED ⓘ Fringe (TV series) NERFINISHED ⓘ Law & Order NERFINISHED ⓘ Limbo (1999 film) NERFINISHED ⓘ NYPD Blue NERFINISHED ⓘ Of Mice and Men (1992 film) NERFINISHED ⓘ Oz (TV series) NERFINISHED ⓘ Public Enemies NERFINISHED ⓘ Scent of a Woman NERFINISHED ⓘ Secret Admirer NERFINISHED ⓘ Stand by Me NERFINISHED ⓘ Streets of Gold NERFINISHED ⓘ The Equalizer (TV series) NERFINISHED ⓘ The Phantom (1996 film) NERFINISHED ⓘ The West Wing NERFINISHED ⓘ Three O'Clock High NERFINISHED ⓘ Young Guns NERFINISHED ⓘ Young Guns II NERFINISHED ⓘ |
| occupation | actor ⓘ |
| parent | Konrad Siemaszko NERFINISHED ⓘ |
| placeOfBirth | Chicago, Illinois, United States ⓘ |
| portrayed |
3-D in Back to the Future
ⓘ
Billy Tessio in Stand by Me NERFINISHED ⓘ Charlie Bowdre in Young Guns NERFINISHED ⓘ Charlie Bowdre in Young Guns II ⓘ Curley in Of Mice and Men (1992 film) NERFINISHED ⓘ Jerry Mitchell in Three O'Clock High NERFINISHED ⓘ |
| sexOrGender | male ⓘ |
| sibling |
Corky Siemaszko
NERFINISHED
ⓘ
Nina Siemaszko NERFINISHED ⓘ |
| yearsActive | 1980s–2010s ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Casey Siemaszko Description of subject: Casey Siemaszko is an American actor best known for his roles in films such as "Back to the Future," "Stand by Me," and "Young Guns."
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.