Sean Harmon
E722670
Sean Harmon is an American actor and director best known for portraying the younger version of his father Mark Harmon's character, Leroy Jethro Gibbs, on the television series "NCIS."
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sean Harmon canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T8267695 — 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: Sean Harmon Context triple: [Mark Harmon, child, Sean Harmon]
-
A.
Alan Harper
Alan Harper is a neurotic, financially struggling chiropractor and divorced father who serves as the uptight, unlucky-in-love foil to his hedonistic brother on the sitcom "Two and a Half Men."
-
B.
Sean Harris
Sean Harris is a British actor known for his intense character roles in film and television, including his portrayal of the android-hating geologist Fifield in the science fiction film "Prometheus."
-
C.
Josh Astrachan
Josh Astrachan is a film producer best known for his work on acclaimed independent and prestige films, including the ensemble mystery drama "Gosford Park."
-
D.
Sam Healy
Sam Healy is a fictional prison counselor and correctional officer in the television series "Orange Is the New Black."
-
E.
Justin Zackham
Justin Zackham is an American screenwriter and producer best known for writing the hit film "The Bucket List" and creating the FX series "Lights Out."
- 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: Sean Harmon Target entity description: Sean Harmon is an American actor and director best known for portraying the younger version of his father Mark Harmon's character, Leroy Jethro Gibbs, on the television series "NCIS."
-
A.
Alan Harper
Alan Harper is a neurotic, financially struggling chiropractor and divorced father who serves as the uptight, unlucky-in-love foil to his hedonistic brother on the sitcom "Two and a Half Men."
-
B.
Sean Harris
Sean Harris is a British actor known for his intense character roles in film and television, including his portrayal of the android-hating geologist Fifield in the science fiction film "Prometheus."
-
C.
Josh Astrachan
Josh Astrachan is a film producer best known for his work on acclaimed independent and prestige films, including the ensemble mystery drama "Gosford Park."
-
D.
Sam Healy
Sam Healy is a fictional prison counselor and correctional officer in the television series "Orange Is the New Black."
-
E.
Justin Zackham
Justin Zackham is an American screenwriter and producer best known for writing the hit film "The Bucket List" and creating the FX series "Lights Out."
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf |
film director
ⓘ
human ⓘ television actor ⓘ |
| basedIn |
United States
ⓘ
linked to:
United States of America
|
| countryOfCitizenship | United States of America ⓘ |
| familyName | Harmon ⓘ |
| genre | television ⓘ |
| givenName | Sean ⓘ |
| hasFather | Mark Harmon ⓘ |
| hasMother | Pam Dawber ⓘ |
| languageSpoken | English ⓘ |
| name | Sean Harmon ⓘ |
| notableFor | portraying the younger version of Leroy Jethro Gibbs on NCIS ⓘ |
| notableWork | NCIS ⓘ |
| occupation |
actor
ⓘ
director ⓘ |
| parent |
Mark Harmon
ⓘ
Pam Dawber ⓘ |
| portrayed |
Young Leroy Jethro Gibbs
ⓘ
linked to:
Leroy Jethro Gibbs
|
| portrayedIn | NCIS ⓘ |
| relative |
Leroy Jethro Gibbs (fictional character, portrayed younger version)
ⓘ
linked to:
Leroy Jethro Gibbs
Mark Harmon ⓘ Pam Dawber ⓘ |
| sexOrGender | male ⓘ |
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: Sean Harmon Description of subject: Sean Harmon is an American actor and director best known for portraying the younger version of his father Mark Harmon's character, Leroy Jethro Gibbs, on the television series "NCIS."
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.