Steven was the middle of three boys born to Glenn and Cynthia Krakoff and was a native of Glendale, California in Los Angeles County.

[3] As a child, Steven appeared in a number of television series and films, with recurring roles on Webster, Punky Brewster, Out of This World, and Weird Science.

Steven also appeared in Star Trek III: The Search for Spock (1984) as a young Spock (the first actor other than Leonard Nimoy to play the role in a live action portrayal), and in a minor role in Disney's Honey, I Shrunk the Kids (1989).

He provided the voice of a young Fred Jones for four seasons on the Hanna-Barbera animated series A Pup Named Scooby-Doo, Steven became the first actor besides Frank Welker to do so.

His final acting credit was in the television series Weird Science, where he played a character named Matthew.