personation, portrayal, characterization, enactment - acting the part of a character on stage; dramaticially representing the character by speech and action and gesture

bit part, minor role - a small role

heavy - a serious (or tragic) role in a play

hero - the principal character in a play or movie or novel or poem

ingenue - the role of an innocent artless young woman in a play

name part, title role - the role of the character after whom the play is named

heroine - the main good female character in a work of fiction

baddie, villain - the principle bad character in a film or work of fiction

appearance, visual aspect - outward or visible aspect of a person or thing

psychological science, psychology - the science of mental life

Carl Gustav Jung, Carl Jung, Jung - Swiss psychologist (1875-1961)