Calificación
Reparto

Robert Shayne
Prof. Clifford Groves

Richard Crane
Dr. Ross Harkness

Joyce Terry
Jan Groves

Doris Merrick
Ruth Marshall

Robert Long
Game Warden George Oakes

Tandra Quinn
Celia

Beverly Garland
Nola Mason, bar waitress

Dick Rich
Sheriff Andy Andrews

Lee Morgan
Charlie Webb, bar owner

Frank Gerstle
Mr. Wheeler, hunter

Robert Easton
Danny, a townsman

Eric Colmar
Buck Hastings, a townsman

Robert Bray
Jim Newcomb, a townsman

Anthony Jochim
Skeptical Naturalist

Marshall Bradford
Naturalists' Conference Chairman

William Fawcett
Dr. Fairchild