She is very well known to kaiju fans for appearing in 4 GODZILLA movies; as well as appearing in the UltraMan series and Japanese films such as Detroit Metal City(2008). Shelley lives in Japan and even teaches acting classes there. Her Godzilla film appearances:
Godzilla vs. MechaGodzilla ll(1993)
Godzilla vs. Destoroyah(1995)
Godzilla 2000(1999)
Godzilla: Final Wars(2004)
Shelley Sweeney
Also recently announced for those that missed it was that Legendary Japanese film actor and Godzilla star Akira Takarada joined the cast of the remake of the lost 1934 kaiju film! He appeared in 6 films in the Godzilla series including the original.
Websites:
https://www.daibutsukaikoku.com/english
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https://www.twitter.com/daibutsukaikoku
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The Great Buddha Arrival”
Produced And Directed by Hiroto Yokokawa
Writen by Hiroto Yokokawa,Yuki Yonezawa & Kazuma Yoneyama
The big Buddha statue design is by Keisuke Yoneyama whom Guillermo Del Toro is a big fan of.
Concept art by Takuma Asai
Music by Hiromi Shinoda
Cast: Masanori Kikuzawa / Yoshihiko Otsuki (Godzilla Final Wars) / Junichiro Nirasawa (Godzilla Final Wars) / Kazuma Yoneyama /Japanese rapper Yuma / Takashi Yasuda / Akira Takarada (Legendary Actor from Godzilla films)
Production staff: Karin Yamada / Ryo Kimoto / Hiroki Ishikawa
Consulting Producer/Publicist: Avery Guerra
Brain: Kensaku Sakai
Advisor: Kazuyoshi Butsuhara
Production: 3Y Film