Marium Carvell is an actress that earns the distinction of making several speaking-role appearances on Shining Time Station.
Carvell said in a 2015 interview with Sodor Island Fansite that she remembered being on Shining Time Station and has a fond memory of working with generous actors who were kind and funny. She said she was doing a lot of comedy at that time and working with a sketch comedy group that produced two great comedy writers, and that her boyfriend couldn't believe she was working on a show that one of the Beatles was working on.
- She, Rodger Barton, Colin Fox, Ho Chow and Colin O'Meara all had roles in "Wind at My Back".
- She, Jared Wall, Ho Chow, Eric Fink, Colm Feore Doug Lennox, Kevin Frank and Ardon Bess all had roles in "Due South".
- She, Neil Crone, Peter Wildman, Richard McMillan and David Hewlett all had roles in "Murdoch Mysteries". Steve Wright also directed episodes for the show.