Kelly (Jaclyn Smith) tells Sgt. Billings
(L.Q. Jones) she is from Texas when he comments on her shooting skills. Both Smith and Jones were raised in Texas; Smith is from Houston and Jones is from Beaumont.
L.Q. Jones (Sgt. William Billings) later appeared as different characters in season two's Angels in the Backfield (1978), and twice in season four - Angel Hunt (1979) and An Angel's Trail (1980).
Robert Pine (Dr. Conlan) later appears as a different character in season two's Sammy Davis, Jr. Kidnap Caper (1977).