The actor is to marry 26-year-old Georgia Moffet
The couple met in 2008 on the Doctor Who set when Georgia, 26, made a guest appearance as his daughter Jenny.
The actress’s real dad is early 80s Time Lord Peter Davison.
are besotted with each other and can’t wait to tie the knot,’ a source tells The Sun.
Scotsman David, 39, will become stepfather to Georgia‘s eight-year-old son Tyler.
The pair plan to marry on New Year’s Day