"Tony Franciosa plays a detective who's on the trail of a murderer whose mutilated and predominantly male victims are found encased in silken cocoons..."
Anthony Franciosa
as Mark Higbie
Donna Mills
as Leigh Lockwood
June Lockhart
as Mrs. Lockwood
Patty Duke
as Laura Lockwood
Sid Caesar
as Lazlo Cozart
Vic Morrow
as Lt. Gully Conti
June Allyson
as Olga
Mari Gorman
as Sophie
Irene Cagen
as Rita
Max Gail
as Ragsdale
Jeff Corey
as Aspa Soldado
Roz Kelly
as Flaps
Michael Delano
as Carlo Lenzi
Robert Burton
as Jeff Wallace
Bryan O'Byrne
as Oakes - Zoo Watchman
Tracy Curtis
as Gymnast
Bruce French
as Summers-Hospital Administrator
H.B. Haggerty
as Marion 'Popeye' Sykes
Rosanna Locke
as Jennifer
Dan Curtis
Director
Dick Ziker
Stunt Coordinator
Bill Teague
Production Sound Mixer
John S. Perry
Costume Design
Edie Panda
Hairstylist
Stevan Larner
Additional Photography
Executive Producer
Robert Blees
Story
Earl W. Wallace
Teleplay
Bob Cobert
Music
Roy L. Downey
Special Effects
Steven North
Producer
Judy Rosenthal
Script Supervisor
Michael Westmore
Makeup Artist
Steven P. Reicher
Associate Producer
Paul Lohmann
Director of Photography
Leon Carrere
Editor
Philip Barber
Art Direction
Richard Cobos
Don J. Bassman
Sound Re-Recording Mixer