| Person | Type | Job | Role(s) |
|---|---|---|---|
 Charles Beaumont | Crew | Writing | Writer |
 Daniel Haller | Crew | Art | Art Direction |
 Edgar Allan Poe | Crew | Writing | Short Story |
Floyd Crosby | Crew | Camera | Director of Photography |
 Francis Ford Coppola | Crew | Crew | Additional Dialogue, Writer |
Gene Corso | Crew | Sound | Sound Editor |
 H.P. Lovecraft | Crew | Writing | Short Story |
Harry Reif | Crew | Art | Set Decoration |
Jack Bohrer | Crew | Production | Production Manager |
James H. Nicholson | Crew | Production | Executive Producer |
Lorraine Roberson | Crew | Costume & Make-Up | Hairdresser |
 Roger Corman | Crew | Directing | Director, Producer |
 Ronald Sinclair | Crew | Editing | Editor, Associate Producer |
Ronald Stein | Crew | Sound | Original Music Composer |
 Samuel Z. Arkoff | Crew | Production | Executive Producer |
Ted Coodley | Crew | Costume & Make-Up | Makeup Artist |
Paul Rapp | Crew | Directing | Assistant Director |
John L. Bury | Crew | Sound | Sound |
 Barboura Morris | Cast | Actress | Mrs. Weeden |
 Bruno VeSota | Cast | Actor | Bruno, the Bartender |
Cathie Merchant | Cast | Hester Tillinghast | |
Darlene Lucht | Cast | Miss Fitch | |
 Debra Paget | Cast | Actress | Ann Ward |
 Elisha Cook Jr. | Cast | Actor | Gideon Smith / Micah Smith |
 Frank Maxwell | Cast | Actor | Dr. Marinus Willet / Priam Willet |
 Guy Wilkerson | Cast | Actor | Gideon Leach / Mr. Leach |
 Harry Ellerbe | Cast | Actor | Minister |
 I. Stanford Jolley | Cast | Actor | Carmody, Coachman |
Jack Tornek | Cast | Actor | Lynch Mob Member (uncredited) |
 John Dierkes | Cast | Actor | Benjamin West / Jacob West |
 Leo Gordon | Cast | Actor | Edgar Weeden / Ezra Weeden |
 Lon Chaney Jr. | Cast | Actor | Simon Orne |
 Milton Parsons | Cast | Actor | Jabez Hutchinson |
 Vincent Price | Cast | Actor | Charles Dexter Ward / Joseph Curwen |
Albert Cavens | Cast | Villager (uncredited) | |
Nina Borget | Cast | Actress | Villager (uncredited) |
Charles Fogel | Cast | Actor | Villager (uncredited) |
Don Ames | Cast | Actor | Villager (uncredited) |
| Person | Type | Job | Role(s) |
