By a strange twist of fate two of Hyde's film co-stars committed murder-suicide in real life.
Gig Young (who appeared in
On achève bien les chevaux (1969)) shot his wife Kim Schmidt and then himself on October 19, 1978.
Albert Salmi (who appeared in
La malédiction de la sorcière (1982)) shot his wife, Roberta Pollock, and then himself on April 22, 1990.