The enigmatic and intense on-screen presence of Kosleck masterfully conveyed the essence of a ruthless Nazi menace, exuding an aura of unwavering devotion to Hitler that struck a chord in audiences, eliciting a profound sense of loathing.
Throughout his illustrious career, Kosleck had the distinction of portraying the infamous Joseph Goebbels, Hitler's propaganda minister, a staggering five times, in addition to convincingly depicting various high-ranking German army officers, SS troopers, and concentration camp officers.
Moreover, Kosleck demonstrated his remarkable versatility by effortlessly taking on a wide range of roles, including those of cunning spies, cunning agents, and calculating psychopaths, further solidifying his reputation as a talented and formidable actor.