- Jace Norman as Henry Hart (Kid Danger)
- Cooper Barnes as Ray Manchester (Captain Man)
- Riele Downs as Charlotte Bolton
- Sean Ryan Fox as Jasper Dunlop
- Ella Anderson as Piper Hart
- Riele confirmed in a live stream that they will begin filming season 4 in April.
- Jace mentioned in an interview with Just Jared Jr that he wants to know a little bit more about Henry’s family.