---
name: "William J. Cassidy"
canonical: "https://film.one/person/william-j-cassidy"
fi1m_id: "william-j-cassidy"
imdb_id: "nm0144256"
tmdb_id: 16517
roles: ["Producer"]
reviewed_on_fi1m: 6
average_as: "producer"
average_over: 1
updated: "2026-10-04T19:27:58.349614+00:00"
licence: "© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL."
---

# William J. Cassidy

## Identity

William J. Cassidy

- **Canonical:** https://film.one/person/william-j-cassidy
- **Type:** Person
- **Fi1m ID:** william-j-cassidy
- **IMDb ID:** nm0144256
- **TMDB ID:** 16517
- **Same entity:** https://www.imdb.com/name/nm0144256/, https://www.themoviedb.org/person/16517

Producer.

## Details

- **Work:** Producer
- **Active:** 1976–1990
- **Titles on Fi1m:** 6: 1 producing, 5 crew
- **Frequently works with:** [John G. Avildsen](https://film.one/person/john-g-avildsen.md), [Burt Young](https://film.one/person/burt-young.md), [Irwin Winkler](https://film.one/person/irwin-winkler.md), [Robert Chartoff](https://film.one/person/robert-chartoff.md), [Sylvester Stallone](https://film.one/person/sylvester-stallone.md), [Talia Shire](https://film.one/person/talia-shire.md), [Carl Weathers](https://film.one/person/carl-weathers.md), [Jerry Weintraub](https://film.one/person/jerry-weintraub.md)
- **Fi1m score by decade:** 1970s 85 (1), 1980s 74 (4), 1990s 54 (1)
- **Elsewhere:** https://www.imdb.com/name/nm0144256/, https://www.themoviedb.org/person/16517

## Streaming the US now

- **AMC+:** [*Rocky*](https://film.one/film/rocky.md) (85), [*Rocky III*](https://film.one/film/rocky-iii.md) (70), [*Rocky V*](https://film.one/film/rocky-v.md) (54)
- **Netflix:** [*The Karate Kid*](https://film.one/film/the-karate-kid.md) (81), [*The Karate Kid Part II*](https://film.one/film/the-karate-kid-part-ii.md) (62)
- **HBO Max:** [*Risky Business*](https://film.one/film/risky-business.md) (81)

For United States; add `?region=XX` for another country.

## Biography

William J. Cassidy is a production designer. He worked as production designer on *Rocky* (1976).

His credits also include production design on *Carny* (1980), *Rocky III* (1982), *Risky Business* (1983), *The Karate Kid* (1984), *Secret Admirer* (1985), *The Karate Kid Part II* (1986), *Happy New Year* (1987), *For Keeps* (1988), *Rocky V* (1990), *Brain Donors* (1992) and *8 Seconds* (1994). He served as associate producer on *The Karate Kid Part II*, *Happy New Year* and *For Keeps*, and as second unit director on *Secret Admirer*.

*Sources: imdb.com, catalog.afi.com.*

## On Fi1m (6)

### Produced (1) — the average rests on these

- *The Karate Kid Part II* (1986), Fi1m 62, Production Design, Production design, Associate Producer — [page](https://film.one/film/the-karate-kid-part-ii.md)

### Crew (5)

- *Rocky V* (1990), Fi1m 54, Production Design, Production design — [page](https://film.one/film/rocky-v.md)
- *The Karate Kid* (1984), Fi1m 81, Production design, Production Design — [page](https://film.one/film/the-karate-kid.md)
- *Risky Business* (1983), Fi1m 81, Production Design, Production design — [page](https://film.one/film/risky-business.md)
- *Rocky III* (1982), Fi1m 70, Production design, Production Design — [page](https://film.one/film/rocky-iii.md)
- *Rocky* (1976), Fi1m 85, Production design, Production Design — [page](https://film.one/film/rocky.md)

## Complete filmography (16)

Every credit, newest first. Titles without a page can be requested for review on the HTML page.

- *8 Seconds* (1994), Production Design
- *Brain Donors* (1992), Production Design
- *Rocky V* (1990), Production Design — Fi1m 54, [page](https://film.one/film/rocky-v.md)
- *A Show of Force* (1990), Production Design
- *Maybe Baby* (1988), Production Design
- *For Keeps* (1988), Associate Producer, Production Design
- *Real Men* (1987), as Art Direction
- *Happy New Year* (1987), Associate Producer, Production Design
- *The Karate Kid Part II* (1986), Production Design, Associate Producer — Fi1m 62, [page](https://film.one/film/the-karate-kid-part-ii.md)
- *Secret Admirer* (1985), Production Design, Second Unit Director
- *The Karate Kid* (1984), Production Design — Fi1m 81, [page](https://film.one/film/the-karate-kid.md)
- *Risky Business* (1983), Production Design — Fi1m 81, [page](https://film.one/film/risky-business.md)
- *Rocky III* (1982), Production Design — Fi1m 70, [page](https://film.one/film/rocky-iii.md)
- *Carny* (1980), Production Design
- *Dummy* (1979), as Art Direction
- *Rocky* (1976), Production Design — Fi1m 85, [page](https://film.one/film/rocky.md)

---
© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL. Canonical: https://film.one/person/william-j-cassidy