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
Breakout
Toot the Tiny Tugboat
2014
Thomas & Friends: Journey Beyond Sodor
2017
Awesome Adventures: Party Surprise!
Get Squiggling!
2008
Thomas & Friends: Here Comes the Steam Team!
2018
Fireman Sam: Set for Action!
Thomas & Friends: Sodor's Legend of the Lost Treasure: The Movie
Thomas and Friends: Ultimate Friendship Adventures
2016
Thomas & Friends: Big World! Big Adventures! The Movie
Thomas & Friends: On the Go with Thomas
Thomas and Friends: The Super Engine
2021
Thomas and Friends: The Royal Engine
2020