Eric Shea was in his first movie six years before he was born...

Check his biography: https://www.imdb.com/name/nm0790272/?ref_=tt_cl_t_11

"Eric Shea was born on February 14, 1960 in Los Angeles County, California, USA. He is an actor, known for The Poseidon Adventure (1972), Yours, Mine and Ours (1968) and Disneyland (1954)."