- Joshua Williamson
- Neil Googe
- Neil Googe
- Ivan Plascencia
- Steve Wands
- The Flash [Barry Allen]; Kid Flash [Wally West] (second Wally West); wannabe Santa Claus (with machine gun); Iris West; restaurant hostess; unnamed police officers; unnamed citizens; mugging victim; mugger; Tar Pit [Joey Monteleone]; Patty Spivot (flashback); Fast Track [Dr. Meena Dhawan] (flashback); Green Lantern [Jessica Cruz] (flashback); Reverse-Flash [Daniel West] (flashback); Tar Pit's nephew; Tar Pit's niece; unnamed kidnappers; Captain Cold [Leonard Snart]; unnamed criminal supplier (death)
- When Barry and Iris go on a date, Wally feels compelled to make sure there are no crimes to interrupt them and goes on a city-wide patrol to stop all crimes in the city, which leads him into a confrontation with Tar Pit. Barry and Iris acknowledge they have feelings for each other and try to understand why things have not always worked out for them in the past.
Barry does not appear in costume in this issue except for a one-panel flashback.
Women whom Barry has dated in the past are shown in flashback: Patty Spivot, Meena Dhawan, and Jessica Cruz (with whom Barry went on a date with in Justice League #6-7 (2016 series)).