Acting
John Hasler is an actor and voiceover artist.
Casualty
1986
Thomas & Friends
1984
Fireman Sam
1987
Brave
2012
Go Jetters
2015
The Legends of Treasure Island
1993
Wonderblocks
2025
Toot the Tiny Tugboat
2014
Get Squiggling!
2008
Breakout
Thomas & Friends: Journey Beyond Sodor
2017
Thomas & Friends: The Great Race
2016
Awesome Adventures: Party Surprise!
Thomas & Friends: Sodor's Legend of the Lost Treasure: The Movie
Thomas & Friends: Big World! Big Adventures! The Movie
2018
Thomas and Friends: Ultimate Friendship Adventures
Thomas & Friends: Tales from the Rails
Fireman Sam: Heroes of the Storm
BuddyBotzzz
Fireman Sam: Set for Action!