Prosky has appeared in such films as Christine, The Natural, Broadcast News, Green Card, Hoffa, Rudy, and Dead Man Walking. In addition to appearing in numerous films, Prosky has appeared as a regular on the television shows Hill Street Blues and Veronica's Closet. Prior to his film and television career, Prosky appeared in numerous productions at the Arena Stage in Washington, DC, most notably as Willy Loman in Death of a Salesman. He was considered for the role of Martin Crane in Frasier and later made a guest appearance in the show as a reclusive writer. He also played Rebecca Howe's father on Cheers.
Prosky, a Polish American, was born Robert Joseph Porzuczek in Philadelphia, Pennsylvania, the son of Helen and Joseph Porzuczek, a grocer. He studied at the American Theatre Wing and lives on Capitol Hill in Washington, DC.
|1975||The Dybbuk||Rabbi Az ielke||Arena Stage, Washington, DC/with Dianne Wiest|
|1983||A View from the Bridge||Alfieri||New York City|
|1984||Glengarry Glen Ross||Shelly Levene||John Golden Theatre, New York City/Tony Award Nomination|
|1988||A Walk in the Woods||Andrei Botvinnik||Booth Theatre, New York City/Tony Award Nomination|
|1996||Camping with Henry and Tom||Thomas Edison||Lucille Lortel Theatre, New York City|
|2002||An American Daughter||Alan Hughes||Arena Stage, Washington, DC|
|2004||Democracy||Herbert Wehner||Brooks Atkinson Theatre, New York City|
|2006||Awake and Sing!||Jacob||Arena Stage, Washington, DC|
|2008||The Price||Solomon||Walnut Street Theatre, Philadelphia|
Two of his sons, Andy and John Prosky, are also film, TV, and stage actors. The three have starred together in two productions of Arthur Miller's play The Price, in which the brothers' characters are brothers.