The supporting cast is equally sharp. Carrie-Anne Moss and Joe Pantoliano play characters who may be allies or manipulators, and their shifting motives are obscured by the fractured timeline. Pantoliano, in particular, brings a jittery, suspicious energy that keeps the audience guessing.

: An "Index of Memento" could refer to a collection or archive of memories, notes, or clues that a protagonist uses to piece together a story or solve a mystery. This concept would be particularly relevant in narratives that explore themes of memory loss, fragmented narratives, or detective work.