Suggestions by @giancarlo

Aardman Animations

as Production companies in Shaun The Sheep (Live-action)

Original Film

as Production company in Shaun The Sheep (Live-action)

Tom Kenny

as Gary the Snail in Squidward

Henry Cavill

as King Neptune in Squidward

Thomas Haden Church

as King Neptune in Squidward

Tim Hill

as Director in Squidward

Brad Fuller

as Producer in Squidward

Josh Appelbaum

as Writer in Squidward

Kevin Guthrie

as Larry the Lobster in Squidward

Fred Armisen

as Larry the Lobster in Squidward

Jason Momoa

as Larry the Lobster in Squidward

Andy Samberg

as Larry the Lobster in Squidward

Scott Colton

as Larry the Lobster in Squidward

Sheamus

as Fredrico the Waiter in Squidward

Anna Kendrick

as Squidette in Squidward

Dylan O'Brien

as Tentacle Acres gatekeeper in Squidward

Mark Haskins

as Tentacle Acres Groundskeeper in Squidward

Jonny Lee Miller

as Tentacle Acres spokesoctopus in Squidward

Taye Diggs

as Bubble Bass in Squidward

David Cross

as Bubble Bass in Squidward