Shaun Cassidy Joe Hardy Actor Parker Stevenson Frank Hardy Actor George O'Hanlon Actor Ed Gilbert Fenton Hardy Actor Jean Rasey Actor Lisa Eilbacher Actor Herb Voland Guest Star Edith Atwater Actor Pamela Sue Martin Nancy Drew Actor Robert Karnes Guest Star Dimitra Arliss Guest Star Les Lannom Guest Star William Schallert Carson Drew Actor Jillian Kesner Guest Star Gary Springer Guest Star Alex Rodine Guest Star Phillip R. Allen Actor Leon James Guest Star Simon Scott Guest Star Migdia Varela Guest Star Glen A. Larson Executive Producer, Writer Arlene Sidaris Producer Lou Shaw Producer, Writer E.W. Swackhamer Director Andy Sidaris Director Joyce Heft Brotman Producer Gregory S. Dinallo Writer Noel Black Director Michael Caffey Director Fernando Lamas Director Steven Hilliard Stern Director Ron Satlof Director Ivan Dixon Director Stuart Margolin Director Jack Arnold Director