Jerry, an "at-risk" young man, uses his knife as an "equalizer" to solve his frustrations stemming from his unhappy home, which is dominated by his stepmother. A group worker, Bud William (Chuck Connors),  reaches Jerry and helps him to transcend his anger.
Director: Laslo Benedek. Narrator: Richard Widmark. Chuck Connors as Bud Williams & Arthur Space as Jerry's father.

Do you know who the younger step-brother of the kid in this story is?  
Look closely - it's Eddie Haskell, aka Ken Osmond.

Arthur space was in "The Rifleman".  'The Grasshopper' as the conductor.  He was a regular on Lassie—Dr. Frank Weaver.