Prof. Clifford Groves
Robert Shayne
Dr. Ross Harkness
Richard Crane
Danny, a townsman
Robert Easton
Buck Hastings, a townsman
Eric Colmar
Jim Newcomb, a townsman
Robert Bray
Skeptical Naturalist
Anthony Jochim
Naturalists' Conference Chairman
Marshall Bradford
Dr. Fairchild
William Fawcett
Thickset Townsman at Webb's Cafe
Tom Monroe
State Trooper Dispatcher
Ann Staunton
Jan Groves
Joyce Terry
Ruth Marshall
Doris Merrick
Game Warden George Oakes
Robert Long
Celia
Tandra Quinn
Nola Mason, bar waitress
Beverly Garland
Sheriff Andy Andrews
Dick Rich
Charlie Webb, bar owner
Lee Morgan
Mr. Wheeler, hunter
Frank Gerstle
Director
E.A. Dupont
Director of Photography
Stanley Cortez
Writer
Jack Pollexfen
Producer
Aubrey Wisberg
Art Direction
Walter Koestler
Editor
Fred R. Feitshans Jr.
Original Music Composer
Albert Glasser
Associate Producer
Ilse Lahn
Makeup Artist
Harry Thomas