Monica Dolan plays Cora Gallaccio and Miss Gilchrist in After the Funeral. She is sometimes credited for the episode (for instance, in the Radio Times in March 2006) as 'Linda Coonam', a made-up name which rearranges the letters in 'Monica Dolan'.
Rotherfield Park was used as Enderby Hall.
The interiors of Cora and Miss Gilchrist's cottage are the same as those used for Veronica Cray's in another Poirot episode, The Hollow.
Two actors from previous episodes return here: John Carson (Richard Abernethie) played Sir George Carrington in The Incredible Theft, while Philip Anthony, a vicar in After the Funeral, played a doctor in The ABC Murders.
Poirot: (to Entwhistle, on a train) My dear friend, I am merely trying to ascertain why it is that I have been kidnapped and find myself hurtling along the English countryside at a speed that is quite alarming!
Poirot: The journey of life, it can be hard for those of us who travel alone.
Mrs Lansquenet in the original story is renamed Mrs Gallaccio in this episode. This may be in honour of George Gallaccio, chief producer of another television Agatha Christie series, the BBC's Miss Marple (1984-1992).
This episode is based on Agatha Christie's book After the Funeral (1953).
After the Funeral was first broadcast on A & E in the U.S. on December 11th, 2005, more than three months before its first U.K. screening on March 26th, 2006.
There are a number of name changes from the original book. Susannah Henderson in the film is Susan Banks in the book, George Abernethie in the film is George Crossfield in the book, and Cora Gallaccio in the film is Cora Lansquenet in the book.