After Thomas and Percy get spooked by a suspicious rumbling, the engines set off to figure out the secrets of the old mine inside Lookout Mountain.
Aaron Barashi
Thomas
Jessica Carroll
Darcy
Henri Charles
Percy
Matt Coles
Whiff
Neil Crone
Gordon (US)
Glee Dango
Sandy (US)
Holly Dixon
Sandy (UK)
Bruce Dow
Sir Topham Hatt (US)
Tom Dussek
Sir Topham Hatt (UK)
2014
2019
2020
2002
1997
2024
2005
2003
1972
2022
2006
2004
2021
1983
