The Sarah Jane Adventures

Cast List: K

Paul Kasey (cast in 26 episodes, e.g. Jeffery Slitheen in Revenge of the Slitheen: Part Two)
Gwyneth Keyworth (cast in 2 episodes, e.g. Emily Morris in Lost in Time: Episode One)
Tommy Knight (cast in 46 episodes, e.g. Luke Smith in Invasion of the Bane)