|Full Name||Carrie Stewart|
|Occupation||M.I.9 Spy, Student|
|First Episode||Art Attacks|
|Last Episode||The Lost Hero|
|Portrayed By||Charlene Osuagwu|
She is an extremely optimistic person.
She has seen to be susceptible to panic attacks due to lack of sleep as seen in "The Patient".
Carrie is a keen member of the group, her specialist skills are athletics and gymnastics; however she often feels left out because Rose Gupta and Oscar Cole will talk technical stuff and she doesn't get it. Even though she is a crucial member of the team, she often feels victimized by Stark who treats her as an idiot.
Carrie is idealistic, sceptical, smart, courageous and hot-tempered. She gets on very well with her teammates, but clashes with them sometimes. She is brave, intelligent and selfless, always keen to come out fighting. She is very protective of her friends and will take a bullet for them any day. She is extremely sensitive, easily insulted and can be very hotheaded. She is not infamous for her sense of humour. Carrie is, undoubtedly, a force for good and always eager to save the day.
She is an experienced and highly skilled martial artist, proficient in Karate, Jim-Do, and judo. She is quite capable of fighting far more experienced individuals, including Ivan Awfulcold, Well Fit Jim, Anita Blackwell and even the extremely skilled and experienced Jade Dixon Halliday. She is also enthusiastic with physical fitness and extremely athletic. She is a strong-willed, independent and very capable M.I.9 Agent. Carrie has an alarmingly low tolerance of panic, stress and annoyance, shown in "The Patient" when she suffers from traumatic panic attacks, undergoes stress disorders in "The First to Crack". But she puts aside these personal issues to complete the mission.
- After the end of series 5, Rose, Carrie and Oscar leave the series, to join Oscar's father's new elite M.I.9 team.
- In the episode, "Bully Elliot", she walks out on a mission due to Stark being extremely rude to her.
- In the episode, "Run, Carrie, Run!", it is her optimism that saves the entire world from the Grand Master's despair bomb.