Likable, craggy-faced, heavy-set stage veteran who became a busy character actor in film and TV of the 1980s and 90s. After 23 seasons as a resident actor with the Arena Stage Theater in Washington, DC, Prosky made his film debut as an initially ingratiating gangster in Michael Mann's "Thief" (1981). He came to prominence as the endearing Sgt. Jablonski who replaced Michael Conrad's Sgt.…
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