Before starring in "Grease," John Travolta appeared in the film "Saturday Night Fever" and in the made-for-television film, "The Boy in the Plastic Bubble." Travolta also appeared in the Broadway production of "Grease" before he landed the lead role in the film.
John Travolta dropped out of high school to pursue a full-time career in acting. He made his debut in an off-Broadway run of "Rain" before joining the Broadway cast of "Grease." He also appeared in the hit musical "Over Here!" before his rise to fame. His popularity rose due to his appearance in the TV series "Welcome Back Kotter," which debuted in 1975. His roles in both "Saturday Night Fever" and "Grease" made him a disco icon in the 1970s.