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 could not 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.
- She, Peter Van Wart, Susan Stackhouse, Larissa Laskin, Andrew Sardella, Larry Reynolds, Lori Hallier, Elizabeth Hanna, Judy Marshak, Jayne Eastwood, William Colgate, Colin Fox, Colin O’Meara, Kevin Frank, David Hewlett, Peter Wildman, Doug Lennox, Colm Feore, Ardon Bess, and Eric Fink have all had roles in “Street Legal”.