Doctor Who (2008) Easter Eggs

During the episode (at 34:00), where Harriet Jones (Former Prime Minister) transfers control of the Subwave Network to Torchwood, a map is displayed on the computer (presumably) of where the control is being transferred to.

This location is not Cardiff,... more

At the party at the beginning of the episode there is an old butler walking amongst the guests...this is none other than Alexander McDonald (David Tennants Dad).