Guest star Joan Tompkins' first of three appearances on Barnaby Jones.
First of eight appearances by Eugene Peterson. He appeared in the Barnaby Jones TV series eight times. That is more than any other guest actor.
The "accident aircraft", a 1968 Beechcraft 36 Bonanza registration N7835R, was used in at least two other series in 1971, including the NBC Mystery Movie series "Banacek" in the episode "A Million the Hard Way", and in an episode of "Colombo", "Ransom for a Dead Man".