The incident happened around 7:40 p.m. Thursday, Jan. 6 in Port Jefferson Station.
The man was attempting to cross Nesconset Highway when he was struck by a 2019 Honda driven by a 30-year-old Port Jefferson Station man, Suffolk County Police said.
He's now been identified as Gerard Hamill, age 63, of Queens.
A 2013 Volkswagen driven by a 42-year-old Miller Place woman then struck the pedestrian, said police.
Hamill was pronounced dead on the scene by a physician assistant from the Office of the Suffolk County Medical Examiner.
Click here to follow Daily Voice Massapequa and receive free news updates.