The Lost Boys (1987)

A family moves to a new town, and one of the boys gets in with a group of bad boys. They turn out to be vampires. The oldest ends up drinking blood and becomes one of them.

I give this movie a 4 out of 5.

Starring Jason Patric (Speed 2: Cruise Control, Narc, Sleepers, Maxx) as Michael, the late Corey Haim [1971-2010] (License to Drive, Lucas, Crank: High Voltage, Decisions) as Sam, Dianne Wiest (Hannah and her Sisters, The Birdcage, Bullets Over Broadway, The Mule) as Lucy, the late Barnard Hughes [1915-2006] (TRON, Doc Hollywood, Sister Act 2: Back in the Habit, Deadline) as Grandpa, the late Edward Hermann [1943-2014] (Annie, Overboard, Intolerable Cruelty, American Dad!) as Max, Kiefer Sutherland (24, Mirrors, Phone Booth, Pompeii) as David, Jami Gertz (Twister, Still Standing, Sixteen Candles, This Is Us) as Star, Corey Feldman (Stand by Me, The Goonies, Gremlins, Corbin Nash) as Edgar Frog, Jamison Newlander (The Blob, Bone Tomahawk, Running with Fear, Sky Harbor) as Alan Frog, the late Brooke McCarter [1963-2015] (Thrashin', Double Switch, The Emerging Past Director' s Cut, Wired) as Paul, Billy Wirth (MacArthur Park, Body Snatchers, War Party, Hell to Pay) as Dwayne, Alex Winter (Bill & Ted movies, Freaked, The Panama Papers, Downloaded) as Marko, Chance Michael Corbitt (The Rocketeer, Major Dad, Hallow' s Eve, Baywatch) as Laddie, Alexander Bacan Chapman (The Fire Ahead, What' s Alan Watching?) as Greg and introducing Nori Morgan (Curfew) as Shelly.

https://www.imdb.com/title/tt0093437/