Georgia Moffett , who plays Jenny , is the real - life daughter of Fifth Doctor actor Peter Davison and " The Hitchhiker 's Guide to the Galaxy " actress Sandra Dickinson .
Head entity: peter davison Q358427 17 18
Tail entity: georgia moffett Q264969 0 1
Relation (head \u2192 tail): P22
Inverse relation (tail \u2192 head): P40