- Mason Abbott
- Commissioner Gordon
- Ruaraidh Alexander
- Jokers Henchman #3
- Abigail Armstrong
- Harley Quinn
- Bellator
- Bank of Lex Corp Manager
- Kian Chambers
- Guard / GCPD Officer (voice)
- Hollow Doctor
- Jekyll Gang Leader
- Andrew Exley
- Joker
- Zeda Falcor
- Jokers Henchman #1
- Max Fields
- Bar Tender / Security (voice)
- Ben Grant
- Dick Grayson / Robin (voice) (as Sam Grant)
- Harry Jones
- Lex Luthor
- Kate
- Jokers Henchman #4
- Barry Lightfoot
- Alfred Pennyworth
- Brendan Simpson
- Riddler / Monster-T (voice)
- Matt Sole-Kavanagh
- Red Hood
- Ryan Tempest
- Pilot
- James Thomas
- Bruce Wayne / Batman (voice)
- Danny Welch
- Radio
