American Teens Against Crime members

Cammie is a ‘‘cute’’ teen aged girl, on short side, with dark skin, large brown eyes and curly black hair. She works for ATAC and in Undercover Brothers #10 Blown Away she brings a mission CD to the Hardys. [1]

(Main character)

Frank and his younger brother, Joe were the first agents and are now two of the best undercover agents for the organization.[2]

(Main character)

Joe and his older brother, Frank were the first agents and are now two of the best undercover agents for the organization.[3]

Vijay Patel is a trainee for ATAC that works as mission coordinator with the police and seems to know what’s going on in all the different ATAC cases. Frank and Joe were the first ATAC agents he had ever met and is usually the one who delivers mission CDs to them. He is originally from Calcutta, India, but moved with his family to the United States when he was 12 years old. He appears in Undercover Brothers #4 Thrill Ride, #7 Operation: Survival[4] and many other Undercover Brothers books as well as Nancy Drew and the Hardy Boys Super Mystery #1 Terror on Tour.[5]

Edward ‘‘Eddie’’ Mundy is an 18-year-old undercover agent for ATAC, that is a hardware store clerk and an amateur skateboarder. He appears in Undercover Brothers #1 Extreme Danger.[6]

Mr. Penhurst is one of the top dogs at ATAC, and is there to back up the teen agents whenever they need him. He appears in The Hardy Boys Graphic Novel #6 Hyde & Shriek, #7 The Opposite Numbers[7] and #8 Board to Death.[8]

Q.T. or Q is the director of ATAC and is the one who usually briefs the agents on their missions. According to book #3 Boardwalk Bust he never smiles,[9] but then according to some other books he has a famous cheerless smile. Q has only ever appeared in mission CDs, never in person.[9]

Ernie Bickerstaff a.k.a. Captain Creamy was part of ATAC’s mission CD returns processing arm until he sent Frank and Joe on some fake mission so he could vandalize the Bayport school system. He appears in #5 Rocky Road[10]

Fenton is the father of Frank and Joe and the founder of ATAC, although he no longer runs ATAC himself, he still keeps taps on what’s going on in the organization. He often worries about the dangers his sons and other teens who work for ATAC face. Many times he has wondered if it was the right decision to draft Frank and Joe into ATAC and in The Hardy Boys Graphic Novel #4 Malled he was even thinking of shutting down the organization.