影片讲述日籍空手道教练收了一个女徒弟，她是他的战友的孙女。她倍受同学欺负，因而要拜宫木为师，学空手道自卫，最后成为空手道比赛的冠军。
Pat Morita
Miyagi
Hilary Swank
Julie Pierce
Michael Ironside
Dugan
Constance Towers
Louisa
Chris Conrad
Eric
Arsenio Trinidad
Abbot Monk
Michael Cavalieri
Ned
Walton Goggins
Charlie
Jim Ishida
Tall Monk
Rodney Kageyama
Monk
Seth Sakai
Buddhist Monk
Eugene Boles
Mr. Wilkes
Keena Keel
School Clerk
Tom O'Brien
Gabe
