This is the pilot movie for the tv series Baywatch, about a team of L.A. County lifeguards who are led by newly promoted Mitch Buchanan (David Hasselhof). Parker Stevenson also stars.
https://www.imdb.com/title/tt0096542/
http://www.tvtango.com/listings/1989/04/23
http://www.tvtango.com/movie/baywatch_panic_at_malibu_pier
https://www.imdb.com/name/nm0130085/?ref_=tt_cl_t_8
