Leslie Phillips
Leslie Samuel Phillips CBE (20 April 1924 – 7 November 2022) was an English actor, director, producer and author. He achieved prominence in the 1950s, playing smooth, upper-class comic roles utilising his "Ding dong" and "Hello" catchphrases. He appeared in the Carry On and Doctor in the House film series as well as the long-running BBC radio comedy series The Navy Lark. In his later career, Phillips took on dramatic parts including a BAFTA-nominated role alongside Peter O'Toole in Venus (2006). He provided the voice of the Sorting Hat in several of the Harry Potter films.
Description above from the Wikipedia article Leslie Phillips, licensed under CC-BY-SA, full list of contributors on Wikipedia

Out of Africa

Harry Potter and the Philosopher's Stone

Harry Potter and the Chamber of Secrets

Saving Grace

Lara Croft: Tomb Raider

Mountains of the Moon

King Ralph

The Jackal

Carry On Constable

Carry On Teacher

Scandal

Harry Potter and the Deathly Hallows: Part 2

Venus

The Smallest Show on Earth

The Gamma People

Les Girls

The Fast Lady

Just My Luck

Royal Celebration

Raising the Wind

Ferdinand I King of Naples

Doctor in Love

Doctor in Clover

That's Carry On!

Please Turn Over
Hotel Caledonia

Carry On Columbus

Spanish Fly

No Kidding

Watch Your Stern

Das Karussell des Todes

Der Blinde

Late Bloomers

The Limping Man

Very Important Person

Bermuda Grace
The Woman with No Name

Some Will, Some Won't

The Big Money

A Weekend with Lulu

August

In the Doghouse

Value for Money

Maroc 7

Crooks Anonymous

Brothers in Law

Father Came Too!

Not Now Darling

Not Now, Comrade

The Night We Dropped a Clanger

The Trials of Oz

The Magnificent Seven Deadly Sins

What's a Carry On?

Thunderpants

Empire of the Sun

Doctor in Trouble

After Death

Carry On Nurse

Inn for Trouble

The Navy Lark

The Longest Day

You Must Be Joking

Oxford

The Sound Barrier

The Comic Strip - A Retrospective

Sword of Honour

Cinderella

Die Katze von Kensington

The Mikado

The Four Feathers

The Fake

Caught in the Act

The Citadel

Churchill: The Hollywood Years
Collusion

Who Bombed Birmingham?
The Gong Game

The Angry Hills

The Proud Valley

The Thief of Bagdad

Two Golden Balls

High Flight

Agatha Christie's The Pale Horse

Is Anybody There?

Pool of London
Lassie from Lancashire

The Man Who Liked Funerals

Britain's Ugliest Models

Millions

This Other Eden

The Canterville Ghost

Colour Me Kubrick

Life After Life

Thacker

Don't Just Lie There, Say Something!

Train of Events

Hello: A Portrait Of Leslie Phillips
GLC: The Carnage Continues

I Was Monty's Double

As Long as They're Happy

Aladdin: The ITV Pantomime

The Changeling

Time Bomb

The Galloping Major

Anna Karenina

Tattoos: A Scarred History

Midsomer Murders

The Bill

Tales from the Crypt

Monarch of the Glen

Heartbeat

Rumpole of the Bailey

Lovejoy
Honey for Tea

The Adventures of Robin Hood

Wire Service
Plunder
The Heaven and Earth Show

Summer's Lease
Blandings Castle
Outside the Rules
It's Only TV But I Like It
The House of Windsor

Love on a Branch Line

Our Man At St Mark's

The Week We Went To War
Drama Trails

Performance

The Adventures of Robin Hood

Alan Carr's Celebrity Ding Dong

Sword of Honour

Casanova '73

The Ruth Rendell Mysteries

Dennis the Menace and Gnasher

Super Gran

Take a Girl Like You

Dalziel & Pascoe

Agatha Christie's Marple

The Last Detective

Armchair Theatre

Armchair Theatre

The Errol Flynn Theatre

The Adventures of Robin Hood

The Adventures of Robin Hood

The Invisible Man

Performance

The Comic Strip Presents...

The Comic Strip Presents...

Hello: A Portrait Of Leslie Phillips
