Tra ‧ vol ‧ ta, John /trəˈvəʊltə/ BrE AmE
(1954–) a US actor, singer, and dancer. He became very popular in the 1970s when he appeared in the films Saturday Night Fever (1977) and Grease (1978). Later, he played more serious parts, for example in the films Pulp Fiction (1994) and Primary Colors (1997).