"The End of Time" was aired in two parts. They were a Christmas Special for 2009 and a New Years Special for 2010. It marked the final appearance of David Tennants Tenth Doctor on Doctor Who. Including the supporting cast, it starred David Tennant as The Doctor, John Simm as The Master, Bernard Cribbins as Wilfred Mott and Timothy Dalton as Rassilon. It also marked the return of numerous companions of The Doctor's, including Donna Noble, Sylvia Noble, Rose Tyler, Jackie Tyler, Jack Harkness, Martha Jones, Mickey Smith, Sarah Jane Smith, Luke Smith and Midshipman Alonso Frame, portrayed by their respected actors. With the departure of David Tennantas The Doctor, Matt Smith was chosen as the new Doctor. His first scene came at the end of Part Two, which was a monologue on his part.