Senensky was born in
Mason City, Iowa, on May 1, 1923 to William, the co-owner of a clothing store, and Jenny Senensky, a homemaker. and worked as a stage director of 45 productions and as a production supervisor on
Playhouse 90 before directing for television. Senensky directed multiple episodes for dozens of television shows, as well as made-for-TV films from 1958 to 1988, including
The Fugitive,
Naked City,
Route 66,
Mission: Impossible,
Dynasty,
The Paper Chase,
The Big Valley,
The Wild Wild West,
Eight Is Enough,
The Rookies,
Trapper John, M.D., He also directed most of the feature film
Harper Valley PTA. For
Breaking Point, he directed an episode that had one of the first gay storylines in a TV show. He directed six full
Star Trek episodes and was fired partway through the filming of "
The Tholian Web". Among the episodes of
The Waltons directed by Senensky was "Grandma Comes Home", which earned an
Emmy Award nomination for
Ellen Corby. With the death of
Robert Butler on November 3, 2023, Senensky was the last surviving person to have directed an episode of the original series of
Star Trek, before his own death in a hospital in
Carmel-by-the-Sea, California, on November 1, 2025, at the age of 102. ==Filmography==