Suggestions by @birthday01

Hong Chau

as Dr. Wong in Rick and Morty went crazy ( Movie / Live Action)

Ice Cube

as Mr. Goldenfold in Rick and Morty went crazy ( Movie / Live Action)

Martin Starr

as Squanchy in Rick and Morty went crazy ( Movie / Live Action)

Jonah Hill

as Mr Poopybutthole in Rick and Morty went crazy ( Movie / Live Action)

Manu Blear

as Summer Smith in Rick and Morty went crazy ( Movie / Live Action)

Dominic McLaughlin

as Morty Smith in Rick and Morty went crazy ( Movie / Live Action)

Elle Fanning

as Beth Smith in Rick and Morty went crazy ( Movie / Live Action)

Brady Hender

as Jerry Smith in Rick and Morty went crazy ( Movie / Live Action)

Jim Carrey

as Rick Sanchez in Rick and Morty went crazy ( Movie / Live Action)