This show was cancelled after season three. The last episode aired on July 9, 1978. In August of 1979, Robert Wagner returned to television in the pilot movie of Pour l'amour du risque (1979) with Stefanie Powers and Lionel Stander.
Eddie Albert and Robert Wagner are the only two actors to appear in every episode of the series.
Launched the television career of Sharon Gless.
Robert Wagner was married to Natalie Wood, in real-life. Near the show's cancellation, she had a very small scene.
After being terminated from Docteur Marcus Welby (1969), Sharon Gless won the role of Maggie Philbin.