- Category : 1958-births
- Type : MS
- Profile : 2/4 - Hermit / Opportunist
- Definition : Single
- Incarnation Cross : RAX Maya 3
American writer based in San Francisco, known for writing several books about movies, particularly film noir. Muller is the founder and president of the Film Noir Foundation. He is co-programmer of the San Francisco Noir City film festival.
Muller is the son of a famed San Francisco boxing writer of the same name. Muller junior based the character of Billy Nichols in his period crime novel The Distance after his father. The novel was named the Best First Novel of 2002 by the Private Eye Writers of America. Billy Nichols returned in Muller's 2003 novel Shadow Boxer.