Suggestions by @giancarlo

Justin Long

as Bubble Bass in Squidward

Chris Hemsworth

as Bubble Bass in Squidward

Michael Malarkey

as Bubble Bass in Squidward

Keith Lee

as Bubble Bass in Squidward

Sebastian Stan

as Monty P. Moneybags in Squidward

Mara Krupp

as Grandma Tentacles in Squidward

Sue Ane Langdon

as Grandma Tentacles in Squidward

Nedret Güvenç

as Grandma Tentacles in Squidward

Fran Drescher

as Grandma Tentacles in Squidward

Eva Green

as Sandy Cheeks in Squidward

Seth Rollins

as Plankton in Squidward

Danny DeVito

as Mr. Krabs in Squidward

Lee Majors

as Mr. Krabs in Squidward

Will Smith

as Mr. Krabs in Squidward

Patrick Ewing

as Mr. Krabs in Squidward

Marcel Barthel

as Mr. Krabs in Squidward

Ryan Potter

as SpongeBob in Squidward

David Harbour

as Patrick in Squidward

Luke Brookshier

as Writer in The Patrick Star Show (Live-Action/CGI Hybrid film)

Awkwafina

as Sandy Cheeks in The Patrick Star Show (Live-Action/CGI Hybrid film)