WASHINGTON - Robert Prosky, a character actor with hundreds of credits on stage and screen including "Mrs. Doubtfire" and "Hill Street Blues," has died in a Washington hospital of complications from a heart procedure. He was 77.

A native of Philadelphia, Prosky studied economics at Temple University and served in the Air Force.

Earlier this year, Prosky appeared with two of his sons in Arthur Miller's play, "The Price," at the Walnut Street Theatre. *