The portrait of Marie Benoit (Lynn Whitfield's character) in the 3rd segment is based on a photograph of Lynn Whitfield from her role in Eve's Bayou (1997)
"The Mouths of Babes and Demons" (the wraparound story), "The Bunker" and "Dope Kicks" are written and directed by Rusty Cundieff, while "Ruby Gates" and "Operatic" are written and directed by Darin Scott.
In the first story, when the bad guy looks at his phone, some of the other recent calls are from Andrew Vona, Rusty Cundieff, John Quinn, and Darin Scott - all people who worked on the film. They are the additional editor, director & writer, editor, and director & writer, respectively.
Lead actor Tony Todd continues his resume in the Horror genre, which includes the Candyman films, the Final Destination films, and more.