Cast and characters
Jace Norman as Henry Hart / Kid Danger, a 13-year-old boy who becomes the sidekick of Captain Man. He is an average kid with friends and an after school job as Captain Man's superhero sidekick. Thanks to his skills and gadgets, Kid Danger has no problem helping Captain Man on his missions. He will always be with his friends even if he has to go save the world. In "Hour of Power", Henry gains super-quick reflexes during the fight against Captain Man's former sidekick Drex.
Cooper Barnes as Ray Manchester / Captain Man, a superhero who trains Henry. About 25 years ago, Ray Manchester's scientist father Dr. Carl Manchester accidentally pulled a lever on his Trans-Molecular Densitizer that Ray crashed into when riding his skateboard causing him to be indestructible and yet can still feel some pain for a short time. Now he is a crime-fighting superhero. He needed a sidekick, so he chooses Henry. Captain Man's Man-Cave is located underneath "Junk 'n' Stuff". Ray is shown to have a crush on Mrs. Hart despite the fact that she is married, which sometimes irritates Henry and he tries to force Ray to go do something else for the time being.
Riele Downs as Charlotte, one of Henry's best friends. She is sarcastic, clever, and smart. She is the "sass master" of the bunch, always there to snap everyone back to reality. She and Henry have been best friends for a long time and therefore she is close enough to him to tell it like it is. She is a big fan of Captain Man. In the fourth episode, Charlotte figures out Henry's secret and gets a job as Henry and Ray's manager.
Sean Ryan Fox as Jasper Dunlop, one of Henry's best friends. He is full of ideas, but most of them are not good. He has been Henry's best friend since preschool. He is a bucket collector who always embarrasses Henry and Charlotte. He also asks a lot of questions and is a big fan of Captain Man as well. In the episode "I Know Your Secret", Henry reveals to Jasper that he is Kid Danger, and is taken into the business.
Ella Anderson as Piper Hart, Henry's little sister who is a fan of Captain Man. She and Henry are not that close. Piper claims that she hates her life and overreacts to various issues mostly about social media. Piper is also shown to be annoyed with Jasper's antics and seems to have a big rivalry with him.
Michael D. Cohen as Schwoz (recurring, seasons 1–4; main, season 5), a worker for Captain Man who handled the equipment in the man cave as he was the one who built it. Ray and Schwoz's friendship was strained when Schwoz stole Ray's girlfriend. They eventually made up when Henry convinced Ray to forgive Schwoz. Since then, Schwoz has come up with various inventions to help Captain Man and Kid Danger, though at times he can be weird and funny, which makes Henry and Ray furious. He sometimes refers to his sister as someone who looks like a horse. He also had a shape-shifting android as his "girlfriend".
