Independent writer/producer/director William Winckler comes from a show-business background. His late father, Robert Winkler--aka "Bobby" Winkler--was a famous child actor during the Golden Age of Hollywood. As an adult he became a successful entertainment attorney. He followed in his father's footsteps, but in a slightly different path. William studied acting and directing at UCLA with the late Don Richardson, director/teacher to Anne Bancroft, Grace Kelly, Zero Mostel, John Cassavetes, Elizabeth Montgomery and countless other stars. He learned a great deal from Don, and applied it to his acting and directing career. From the mid to the late 1980s, William worked as an actor in various TV series, films and theater. He then wrote and produced two syndicated series of his own, the animated sci-fi show Tekkaman: The Space Knight (1984) and the all-dwarf comedy/variety series Short Ribbs (1989), starring the late Billy Barty. When the internet boom hit, William was head of development for a science-fiction entertainment company, developing star-driven feature films and shorts for internet webcast and DVD. The late Jonathan Harris, best known for his starring role as "Dr. Smith," in the classic TV series Lost in Space (1965), was William's close mentor throughout the 1990s and taught him a great deal about the business. Winckler formed William Winckler Productions Inc., in 2001 to write, produce and direct low-budget feature films in the sci-fi, fantasy, horror and adventure genres. His sexy action comedy, The Double-D Avenger (2001) has been a great creative and financial success for him, being a top cult movie best seller in America, and internationally in France and French-speaking Europe, in Japan, and many other countries. William Winckler continues to produce feature films. He absolutely loves classic sci-fi, horror and fantasy films from the 1930s, 1940s, 1950s and 1960s, and he has a huge collection of related memorabilia, toy robots, action figures, etc., in his personal collection.
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Biography from IMDb.
- October 3, 1964 (62)
- California, USA
- Director, writer and actor
- 7 on MovieCove
What are William Winckler's films like?
Across their 7 MovieCove titles with a thematic analysis, their films lean Bonds and Survival.
Themes
What they feel like to watch
Ironic 0 · Wry 0 · Earnest 5
A split, not a type: Light 3 · Serious 2 · Dark 0
Grounded 0 · Stylized 1 · Heightened 4
Gentle 0 · Charged 2 · Intense 3
Steady 3 · Shifting 2 · Whiplash 0
Straight-faced 4 · Some laughs 1 · Funny 0
Slow burn 0 · Even-paced 2 · Relentless 3
Casual 3 · Engaged 2 · Full focus 0
Easy watch 4 · Affecting 1 · Heavy 0
Resolved 5 · Open-ended 0 · Ambiguous 0
Moods and endings
- Happy6
- Ambiguous1
AI-generated from each title's plot synopsis and cast list, with extra plot summaries, reviews and Parents Guide notes for titles the model may not know, and the model's own knowledge of the ones it recognizes. Only analyzed titles count, so this covers part of the filmography; the feel axes count films only for now.
Where can I watch William Winckler's films?
As of October 24, 2026, all 7 MovieCove titles stream on a subscription or free service, most on Tubi (5).
- Ultraman Zero: The Revenge of Belial (2010) · director, writer · free
- Mega Monster Battle: Ultra Galaxy Legends - The Movie (2009) · director, writer · free
- Ultraman Saga (2012) · director, writer · free
- Ultraman Ginga S: Showdown! Ultra 10 Warriors!! (2015) · director, writer · free
- Ultraman X: Here He Comes! Our Ultraman (2016) · director, writer · free
- Crunchyroll
Subscription and free streaming for William Winckler's titles on MovieCove; rent and buy are not counted. Titles are listed by Midcredits score, highest first, at most 12 per service; a dashed chip is a producer credit or a minor one, such as a thanks. A service opens the browse page, which counts movies only, so its number can differ.
Filmography
7 credits, 7 with a MovieCove page.
Midcredits score: 56th percentile of all films
Midcredits score: 58th percentile of all films
PriPara(2014)
Midcredits score: 69th percentile of all shows (provisional, few ratings)
Ultraman Saga(2012)
Midcredits score: 66th percentile of all films
Midcredits score: 82nd percentile of all films
Midcredits score: 81st percentile of all films
Net Ghost PiPoPa(2008)
Midcredits score: 49th percentile of all shows (provisional, few ratings)
Career shape
Across their 7 MovieCove titles from 2008 to 2016.
How do William Winckler's films land?
Their typical MovieCove film has a Midcredits score in the 66th percentile, the median of all 5; across their 5 films with reception data, the typical film sits in the 67th percentile for acclaim.
- 75th and up2
- 50th to 74th4
- 25th to 49th1
Shape of the crowd
3 of their 7 titles are Mixed.
- Divisive1
- Cult Classic1
- Crowd Pleaser2
- Mixed3
Percentiles are each film's standing among all films on MovieCove; the typical film is the median, so one outlier cannot drag it. Percentiles and reviewer scores count the films IMDb credits them on, for now; the Midcredits score bands, the shape of the crowd and the two cards count their MovieCove titles, shows included (a show ranked among shows), appearances as themselves left out. A descriptor is the shape of a title's IMDb rating distribution against the catalog; "most divisive" needs a spread wider than half of all titles, and a card names only a principal credit: a craft role, and on a show a crew role or a run of episodes, never a courtesy credit or a one-off guest spot.
Who does William Winckler work with?
People who share at least 2 of William Winckler's MovieCove titles, grouped by what they did on them; Yûji Kobayashi shares the most, 3.
Directors
- Kōichi SakamotoShared titles: Ultraman Ginga S: Showdown! Ultra 10 Warriors!! (2015), Mega Monster Battle: Ultra Galaxy Legends - The Movie (2009)See all 2 shared titles with Kōichi Sakamoto

Writers
- Yûji KobayashiShared titles: Ultraman X: Here He Comes! Our Ultraman (2016), Ultraman Ginga S: Showdown! Ultra 10 Warriors!! (2015), Mega Monster Battle: Ultra Galaxy Legends - The Movie (2009)See all 3 shared titles with Yûji Kobayashi
Actors
- Mamoru MiyanoShared titles: Ultraman Ginga S: Showdown! Ultra 10 Warriors!! (2015), Ultraman Zero: The Revenge of Belial (2010), Mega Monster Battle: Ultra Galaxy Legends - The Movie (2009)See all 3 shared titles with Mamoru Miyano

- Taiyô SugiuraShared titles: Ultraman Ginga S: Showdown! Ultra 10 Warriors!! (2015), Ultraman Saga (2012)See all 2 shared titles with Taiyô Sugiura

- Takeshi TsurunoShared titles: Ultraman Saga (2012), Mega Monster Battle: Ultra Galaxy Legends - The Movie (2009)See all 2 shared titles with Takeshi Tsuruno

Cinematographers and editors
- Sô TakahashiShared titles: Ultraman X: Here He Comes! Our Ultraman (2016), Ultraman Saga (2012)See all 2 shared titles with Sô Takahashi
- Bradford HillShared titles: PriPara (2014), Net Ghost PiPoPa (2008)See all 2 shared titles with Bradford Hill

Producers
- Tsugumi KitauraShared titles: Ultraman X: Here He Comes! Our Ultraman (2016), Ultraman Saga (2012)See all 2 shared titles with Tsugumi Kitaura
- Yukinobu TsurutaShared titles: Ultraman X: Here He Comes! Our Ultraman (2016), Ultraman Ginga S: Showdown! Ultra 10 Warriors!! (2015)See all 2 shared titles with Yukinobu Tsuruta
- Hidetoshi YamamotoShared titles: Ultraman Saga (2012), Ultraman Zero: The Revenge of Belial (2010)See all 2 shared titles with Hidetoshi Yamamoto