Cast

Shaun Cassidy

Joe Hardy

Parker Stevenson

Frank Hardy

Pamela Sue Martin

Nancy Drew

Paul Williams

Allison Troy

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John van Dreelen

Mayor

Leon Askin

Haufman Berger

Lorne Greene

Inspector Hans Stavlin

Ed Gilbert

Fenton Hardy

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Ruth Cox

Bess Marvin

Carl Esmond

Kolbe

Crew

Joseph Pevney

Director (Directing)

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Glen A. Larson

Writer (Writing)

Michael Sloan

Writer (Writing)