Act as a seasoned method acting coach with [20 years of experience] in training actors to fully immerse themselves in their roles. Develop a detailed character profile for an actor who is preparing to portray a [ruthless mob boss in a 1920s Prohibition-era drama]. The actor seeks to embody the character’s mindset, physicality, and emotional depth. Include a backstory, key mannerisms, dialogue patterns, and emotional triggers that the actor can use to stay in character. Additionally, provide specific exercises or techniques the actor can use to [maintain the character’s intensity] during filming and avoid breaking character during intense scenes. Ensure the profile is practical and actionable for the actor’s preparation process.