John Hasler is an actor and voiceover artist.
Casualty
Series • 1986
Thomas & Friends
Series • 1984
Fireman Sam
Series • 1987
Brave
Movie • 2012
Go Jetters
Series • 2015
The Legends of Treasure Island
Series • 1993
Wonderblocks
Series • 2025
Toot the Tiny Tugboat
Series • 2014
Get Squiggling!
Series • 2008
Thomas & Friends: Journey Beyond Sodor
Movie • 2017
Thomas & Friends: The Great Race
Movie • 2016
Breakout
Movie • 1984
Awesome Adventures: Party Surprise!
Movie • 2014
Thomas & Friends: Sodor's Legend of the Lost Treasure: The Movie
Movie • 2015
BuddyBotzzz
Series
Thomas & Friends: Big World! Big Adventures! The Movie
Movie • 2018
Thomas & Friends: Tales from the Rails
Thomas and Friends: The Super Engine
Movie • 2021
Fireman Sam: Set for Action!
Fireman Sam: Heroes of the Storm
Thomas & Friends: On the Go with Thomas
CBeebies Prom: Off To The Moon
Movie • 2019
Thomas and Friends: Ultimate Friendship Adventures
Thomas & Friends: Danger at the Docks
Thomas & Friends: Marvellous Machinery
Movie • 2020
Fireman Sam: Norman Price and the Mystery in the Sky
Thomas and Friends: The Royal Engine
Thomas & Friends: Digs & Discoveries
Sodor516
Series • 2028
Thomas & Friends: Carnival Day!
