Sister Calderón (voice)
Ralph Stricker (voice) (uncredited)
John 'Jack' Marston Jr. (voice) (uncredited)
Various (voice) (uncredited)
Captain Vicente De Santa (voice) (archive sound) (uncredited)
Nigel West Dickens (voice) (uncredited)
Herbert Moon (uncredited)
Marshal Leigh Johnson (voice) (uncredited)
Jimmy Saint (voice) (archive sound) (uncredited)
Outlaw Cowboy Zombie (voice) (uncredited)
Ira Shelton (voice) (uncredited)
Background Character (voice) (uncredited)
Seth Briars (voice) (uncredited)
Young Girl / Zombie (voice) (uncredited)
Landon Ricketts (voice) (uncredited)
Townswoman (voice) (uncredited)
Bonnie MacFarlane (voice) (uncredited)
Alma Horlick (voice) (archive sound) (uncredited)
Zombie Prostitute / Townswoman (voice) (uncredited)
Survivor / Zombie (voice) (uncredited)
Abigail Marston (voice) (uncredited)
Vernon Cherry / Local Population / Zombies (voice) (uncredited)
Marshal (voice) (uncredited)
Zombie (voice) (uncredited)
Professor Harold MacDougal (voice) (uncredited)
Victor Melendez (voice) (uncredited)
Doreen / Connie MacTavish (voice) (uncredited)
D.S. Mackenna (voice) (uncredited)
Sasquatch Hunter (voice) (uncredited)
John Marston (voice) (uncredited)