Mistress Cara plays Joyce Paradise a ghostly nightclub madame. In real life she is a ballet dancer who discovered after retirement the world of fetish BDSM and found it less boring to become a leather/rubber dominatrix than to walk out her dog in the park. Now she is in her scene something like the Coco Chanel of domination. See her website

co-stars in an impressive performance as the  barman and waiter who witnesses a miracle. Growing up in regional Victoria, Angus is actor since the age of 10. He  toured the world in several successful theatre shows, he   appears in film and television and is starting his  own production company. See IMDb

plays himself as the owner of the magical dog shop cafe, where the distinguished Notting Hill pet goes  for hair styling, manicure and entertainment. His shop exists in real: Verve Pet Boutique & cafe in Westbourne Grove, Notting Hill. See is website
 Verve Pet Boutique and Cafe

and GERGO POSZ are two gangsters from another life of Joy the angel. 
Andrew Lawden is known for his work on Star Wars: Episode I - The Phantom Menace (1999) and more. See full bio on IMDb

plays himself as Joseph the baker and cafe manager. The "Etoile" cafe and tea room in Westbourne Grove and Golborne Road are favourite meeting places in Notting Hill.

Delphine Serena de Noir is a London  artist, painter, sculptor and writer who also teaches art and creativity and works as an event creator at Abney Park Cemetery and cultural center, one of the film's most impressive locations. She plays a gothic ghost lady in the cemetery and contributed a poem to the story. See her website: the art of Delphine