Patti Chandler (Indian girl) and Lee Majors we dating in real life. They were near the end of a three year relationship at the time of filming.
This is the last television performance for actor Frank McGrath. He passed away just 3 months later on May 13, 1967 from a heart attack at the age of 64.
The first of two episodes that Richard Long directed. The second one was {The 25 Graves of Midas (1969) (#4.16)}
Lonny Chapman, Dennis Hopper, Cloris Leachman, Frank McGrath and Rhodes Reason all receive 'Guest Stars' credits.
Closing credits: The events, characters and firms depicted in this photoplay are fictitious. Any similarity to actual persons, living or dead, or to actual firms, is purely coincidental.