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How Old Was John Travolta in Grease?

John Travolta’s Early Career John Travolta’s early career began with his appearance on the TV show “Welcome Back, Kotter” in 1975, where he played the character Vinnie Barbarino. This led to his breakout role as Tony Manero in the 1977 film “Saturday Night Fever,” which catapulted him to international fame. Travolta’s success continued with the 1978 film “Grease,” in which…