This episode has the Doctor Who character Donna Nobel's onscreen mother and grandfather.
This episode has June Whitfield, Bernard Cribbins, and Jacqueline King who all appeared together in the Doctor Who episodes End of Time part one and two.
June Whitfield plays Molly Darnley in this episode. She previously played the role of Peggy Alder in episode 8.8, Midsomer Rhapsody (2005).
Geoffrey Whitehead plays Giles Wilding in this episode. He previously played the role of Dr. Gregory Ransom in episode 8.5, Second Sight (2005).
Sara Stewart plays Miranda Darnley in this episode. She previously played the role of Carolyn Armitage in episode 9.7, Death in Chorus (2006).