Everyone is stunned when a man (Jason Kravits) shows up looking for Frank and recalls how Mr. Barone mentored him when the two of them worked together many years ago. Ray and Robert become upset when Frank hugs the guy and acts affectionately toward him as if he were a long-lost son. It's a thought that Marie takes to heart; she accuses Frank of being the man's father. Frank: Peter Boyle. Marie: Doris Roberts.