Natalie Redfern

Natalie Redfern was a researcher at Planet 3. She occasionally helped Sarah Jane Smith during her investigations. (AUDIO: Comeback) She found information about the teenager drowned in the river. (AUDIO: The Tao Connection) She was looking for information about the break in at Biogard. (AUDIO: Test of Nerve) She was worried when Sarah wouldn't return her calls. (AUDIO: Mirror, Signal, Manoeuvre)

Behind the scenes

 * Natalie Redfern was played by actress Sadie Miller, daughter of Sarah Jane Smith actress Elisabeth Sladen.