- Sam Jaffe - Issac Waldersack
- Victor Buono - Nathan
- Neva Patterson - Maureen Larson
- Kaz Garas - Donald Garber
- Geraldine Page - Olivia Cunningham
- Logan Ramsey - Dr. Drucker
- Liam Dunn - Franklin Birdwell
- Donald Moffat - Shriver Danforth
- Lester Rawlins - Winterhaven
- Jim Antonio - Fred Hildebrand
- Harvey J. Goldenberg - Bowling Clerk
- Milt Moss - Artie
- Ned Wertimer - Man
- Paul Pepper - Security Guard
- Pat O'Hara - Night Guard
- Mary Betten - Nurse Higgins
- James Wellman - Septimus
- Michael Jeffers - Prisoner (uncredited)
- Bernie Casey - Willie Bates
- Walter Pidgeon - Keith Follett
- Bo Svenson - Chet Marion
- Steve Allen - Steve Allen
- Maurice Evans - Judge N.D.
- Gloria Hendry - Mary Wilson
- Warren Vanders - Rakovich
- Ji-Tu Cumbuka - Jim Saunders
- Jack Riley - Ollie Robertson
- Richard O'Brien - Officer McDonald
- Karen Jensen - Starlet
- Reb Brown - Officer Keller
- George Wyner - 2nd Doctor
- Walter Beakel - 1st Doctor
- Jophery C. Brown - Team Member
- Jack David Walker - TV A.D.
- Len Felber - Officer Klinger
- Cyril Ritchard - Morlock
- Joan Blondell - Madame Mimi
- Barbara Baxley - Karen
- Greg Morris - Lieutenant Tate
- George Maharis - Robert Duware
- Alice Cooper - Prince
- Lawrence P. Casey - David Anders
- Eve McVeagh - Coven Member
- Gertrude Flynn - Woman
- George Sawaya - Scarface
- Dick Ryal - Male Coven Member
- Jeff Burton - Phillips
- Jim Malinda - Perelli
- Vincent Price - Michael Bastion
- Tammy Grimes - Amanda Bastion
- David Huddleston - Arwin Shanks
- William Devane - David Prine
- Roddy McDowall - Lionel Standish
- Mort Sahl - Lawrence Fortesue
- Katherine Helmond - Cissy Prine
- Angelo Rossitto - Little Igor
- Redmond Gleeson - O'Toole
- Ethelreda Leopold - Film Festival Attendee (uncredited)
- Tony Regan - Film Festival Attendee (uncredited)
Capítulo disponible en las siguientes plataformas:
