Cast & creator

John Hasler

1974-04-24 (age 52) London, England, UK Website IMDb

Best known for Casualty, Thomas & Friends, Fireman Sam

John Hasler is an actor and voiceover artist.

Movies

film credits

Series

television credits

Career

1938–2028 · acting roles

Credit score

6.2

average across scored titles

Signature credits

Known for

Ordered by popularity

★ 6.2

Casualty

Lee Carter · 1986

★ 6.8

Thomas & Friends

Thomas (voice) · 1984

★ 6.1

Fireman Sam

James / Professor Pickles (voice) · 1987

★ 6.1

Fireman Sam

James (voice) · 1987

★ 7.0

Brave

Additional Voices (voice) · 2012

Across film & television

Filmography (45)

Showing 45 of 45 credits

Series

★ 6.2

Casualty

Lee Carter

1986

Series

★ 6.8

Thomas & Friends

Thomas (voice)

1984

Series

★ 6.1

Fireman Sam

James / Professor Pickles (voice)

1987

Series

★ 6.1

Fireman Sam

James (voice)

1987

Movie

★ 7.0

Brave

Additional Voices (voice)

2012

Series

★ 7.8

Go Jetters

Foz (voice)

2015

Series

Sodor516

Thomas

2028

Series

★ 7.9

The Legends of Treasure Island

Jim Hawkins (voice)

1993

Series

★ 5.5

T-Bag

1985

Series

★ 4.2

Wonderblocks

Cluck (voice) / Pour Milk (voice) / Backwards (voice) / Splat Red (voice) / Scoop Sand (voice)

2025

Movie

★ 7.3

Thomas & Friends: Journey Beyond Sodor

Thomas (voice)

2017

Series

Get Squiggling!

2008

Series

Toot the Tiny Tugboat

Toot

2014

Movie

★ 6.0

Thomas & Friends: The Great Race

Thomas / Rheneas (voice)

2016

Movie

★ 7.4

Thomas & Friends: Big World! Big Adventures! The Movie

Thomas (voice)

2018

Movie

★ 6.8

Fireman Sam: Heroes of the Storm

James / Arnold (voice)

2014

Movie

★ 6.5

Thomas & Friends: Sodor's Legend of the Lost Treasure: The Movie

Thomas (voice)

2015

Movie

★ 6.2

Fireman Sam: Set for Action!

Arnold McKinnley / James Jones (voice)

2018

Movie

Thomas & Friends: Here Comes the Steam Team!

Thomas (voice)

2018

Movie

★ 5.8

Fireman Sam: Alien Alert! The Movie

Arnold McKinley / James Jones

2017

Series

BuddyBotzzz

Movie

Thomas and Friends: Ultimate Friendship Adventures

Rheneas (voice)

2016

Movie

★ 9.0

Breakout

Stephen

1984

Movie

Thomas & Friends: A Colourful World

Thomas (voice)

2019

Movie

★ 2.0

Thomas & Friends: Marvellous Machinery

Thomas (voice)

2020

Fireman Sam: Norman Price and the Mystery in the Sky

Movie

★ 7.2

Fireman Sam: Norman Price and the Mystery in the Sky

Arnold / James (voice)

2020

Movie

★ 10.0

Thomas & Friends: On the Go with Thomas

Thomas / Troublesome Truck (voice)

2018

Movie

CBeebies Prom: Off To The Moon

2019

Movie

Thomas & Friends: Carnival Day!

Thomas (voice)

2020

Movie

★ 2.0

Thomas and Friends: The Super Engine

Thomas (voice)

2021

Movie

★ 1.5

Thomas and Friends: The Royal Engine

Thomas (voice)

2020

Movie

Thomas & Friends: Danger at the Docks

Thomas (voice)

2018

Movie

Thomas & Friends: Monkey Trouble!

Thomas (voice)

2019

Thomas and Friends: The Adventure Begins

Movie

★ 7.8

Thomas and Friends: The Adventure Begins

Thomas (voice)

2015

Movie

★ 10.0

Thomas & Friends: Tales from the Rails

Thomas / Rheneas (voice)

2017

Movie

Thomas & Friends: Animal Adventures

Thomas (voice)

2021

Thomas & Friends: Full Steam to the Rescue!

Movie

★ 6.0

Thomas & Friends: Full Steam to the Rescue!

Thomas (voice)

2016

Movie

★ 4.8

Thomas & Friends: Digs & Discoveries

Thomas (voice)

2019

Mike the Knight: Journey to Dragon Mountain

Movie

★ 7.0

Mike the Knight: Journey to Dragon Mountain

2014

Movie

T-Bag: The Reunion Documentary

Self

2007

Movie

Thomas & Friends: Steam Team to the Rescue

Thomas (voice)

2020

Movie

★ 5.0

10 Arenas of Marwood

Irving Clifford

2011

Movie

Thomas & Friends: Bubbling Boilers

Thomas (voice)

2016

Movie

★ 4.5

Sing for Sweetie

1938

Movie

Awesome Adventures: Party Surprise!

James Jones (voice)

2014