A timid and awkward accountant who joins a karate dojo for self-defense after a street attack. His journey transforms him into an aggressive figure before he uncovers the dojo's dark secrets and kills his instructor to seize control.
They share membership in the dojo before becoming enemies.
Casey and Thomas are both students at the dojo, and Thomas appears in the dojo's recorded attacks.
Anna becomes Casey's most important source of warning and moral support.
Anna confides in Casey about her red stripe and urges him to leave the dojo after the shooting.
Casey begins as Sensei's novice student before becoming his challenger.
Casey joins Sensei's dojo, attends classes, earns a yellow belt, and later enters the exclusive night classes.
Explore the full interactive character relationship map of The Art of Self-Defense