Diane Mountford

In early 1900s' Pennsylvania, Mr. Pennypacker has two company offices and two families with a combined total of 17 children. With an office in Harrisburg and an office in Philadelphia, he has successfully kept two separate homes. However, when an emergency requires his oldest son to find him, Mr. Pennypacker's dual life is revealed.

A widower and aeronautical engineer named Steven Douglas raises three sons with the help of his father-in-law, and later the boys' great-uncle. An adopted son, a stepdaughter, wives, and another generation of sons join the loving family in later seasons.

Assignment: Underwater is an American adventure television series which aired in NTA Film Network syndication from 1960 to 1962.

A continuation of the anthology series “Alfred Hitchcock Presents”, hosted by the master of suspense and featuring thrillers and mysteries.