The present study was designed to verify hypothesized predictor effects for five anger-related variables, i.e. trait anger, anger expression-out, anger expression-in, anger control-out, and anger-control-in. A sample of 138 students completed measures for FFM personality traits, self-esteem, shyness, and anger. The study confirmed the effects of neuroticism and agreeableness as being the chief personality predictors of anger; however, for the domain of anger expression-in, an unexpected role of extraversion was revealed. Furthermore, introducing self-esteem and shyness changed some effects of FFM (...) traits. Entering self-esteem as an additional predictor improved the predictability of anger control-in. Additionally, a mediation effect of shyness was revealed for the relation between extraversion and anger expression-in. (shrink)