Georgia Moffett
From Tardis Wiki, the free Doctor Who reference
Georgia Moffett (born December, 25 1984) appeared as Jenny, the title character of the Doctor Who story The Doctor's Daughter. She is the daughter of Peter Davison, who played the Fifth Doctor.
Previously, she had auditioned for the role of Rose Tyler which was given to Billie Piper.
Georgia also starred in The Bill as the daughter of Sam Nixon, the troubled teen Abi Nixon who featured in a number of major storylines.
Other information
She was born just nine months after Colin Baker took on role of the Sixth Doctor, replacing her father as the Doctor.