Mother of Malcolm Spaull, Professor, College of Art and Design Liaison to MAGIC Spell Studios Film and Animation at RIT, the Rochester Institute of Technology (Rochester, New York) and mother-in-law of Dr. Elaine Gallina-Spaull.
Joan Croydon dubbed the voice of Rosanna Podesta for the title role of Helen of Troy (1956). Podesta's voice had too strong of an Italian accent, so Warner Brothers had Croydon perform her dialog.