Reptilian

Yonggary is a 1999 English-language South Korean monster film directed by Shim Hyung-rae and is a reimagining of the character Yonggary, originating from the 1967 film Yongary, Monster from the Deep. Despite being a South Korean production, the film's principal cast consists of Western actors such as Harrison Young, Donna Phillipson, Richard B. Livingston, Briant Wells, Brad Sergi, Dan Cashman, and Bruce Cornwell.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.