I appeared on a show with Jonathan Harris on it-the Bill Dana show-even before Lost In Space. Someone gave me a tape of it in the past year, but in all these years we hadn't remembered.

Chris Ballard on The Detectives Starring Robert Taylor. At this time he changed his name to Mark Goddard at the suggestion of his friend and mentor Chuck Connors of ABC's The Rifleman. The episode was entitled "Elegy for a Pig" (so titled and announced by Jack Webb himself).

Zachary Smith (played by Jonathan Harris) in the cult 1960s CBS television series Lost in Space and young Detective Sgt. Chris Ballard on The Detectives Starring Robert Taylor. Mark Goddard (born July 24 1936) is an American film actor who has starred in a number of television programs.