Bonnie Barstow She Joined Devon and the Flag group right after KITT was built. She left in 1983 to finish her studies for one year. She didn't invent nor help with the building of KITT but she repaired, maintained, upgraded and modified KITTs systems, she made kitts SPM mode.
Devon Miles is the head of FLAG industries. Devon was one of the few people who knew the secret of KITTs molecular bonded shell. He was killed by rogue police officers in an attempt to slow down the Knight Foundation's investigation of their activities.
Michael Knight> David Hasselhoff: Born Michael Long, he changed his identity after being shot and thaught dead he got shot in the head and was left without a face until Wilton Knight created one for him, based on his son Garth Knight. Then he met his new friend KITT. He left the Foundation in 1990 for retirement.
Reginald Cornelius III : Joined FLAG in 1985 after helping the team while on a mission. He was first encountered by Michael in the streets of a rough neighborhood and called himself the "Street Avenger". Devon liked him and offered him a job in FLAG, which he accepted. He has various jobs at FLAG, from driving the semi to helping to solve cases to help Michael and KITT during some missions. He usually uses his dirt bike that didn't even work when he got it.