The Thunderstorm is a 1957 Hong Kong drama film directed by Ng Wui and starring Bruce Lee based on the play Thunderstorm by Chinese dramatist Cao Yu. Originally filmed and released in Cantonese in 1957, The Thunderstorm was dubbed into Mandarin for re-release during the 1970s in Hong Kong when Lee shot to superstardom during the time when Mandarin films dominated Hong Kong cinema.