"Great Balls of Fire" is the fifth episode of Season 3 of Mr. Mercedes. It airs on October 8, 2019.
Morris can't make sense of Danielle's disappearance; Alma approaches Marjorie Saubers; Pace calls Hodges and Montez to the stand during Lou's trial; Holly and Finkelstein grow closer.
- Brendan Gleeson as Bill Hodges
- Justin Lupe as Holly Gibney
- Kelly Lynch as Deborah Hartsfield
- Jharrel Jerome as Jerome Robinson
- Scott Lawrence as Peter Dixon
- Robert Stanton as Anthony Frobisher
- Breeda Wool as Lou Linklatter
- Justine Lupe as Holly Gibney
- Mary-Louise Parker as Janey Patterson
- Holland Taylor as Ida Silver