At the time of this filming, Linda Evans and David Janssen were close friends and neighbors in Malibu. Linda's husband Stan Herman was one of David's old friends.
The third and final time Stefanie Powers and David Janssen would work together, after Second Sight (1974) and Warning Shot (1966).
Final film of Ahna Capri.
Just like he did in The Fugitive (1963), David Janssen plays a character here who had a stillborn baby.