Go Grease Lightning! The Best Facts About The Film

Cha Cha’s commitment

John Travolta’s dance partner at the Rydell Prom, Cha Cha, is played by actress Annette Charles. When she was due to film the drag race scene, she was in the hospital undergoing tests for unexplained pains in her stomach.

Charles ended up checking herself out of hospital to go and film the scene but that night she was rushed back into the emergency room. It turns out that she was having an ectopic pregnancy and she had to be operated on! Talk about a commitment to the film.