Suggestions by @sonictiger

Andy Samberg

as Thomas Johnson in Alternate

Jim Carrey

as C.A.D. in Alternate

Natasha Liu Bordizzo

as Lea Smith in Alternate

Hailee Steinfeld

as Genna Jones in Alternate

Mustafa Shakir

as Jonah Lars in Alternate

Joe Keery

as Arnold Drake in Alternate

Jonathan Majors

as Archibald Staunton in No Silhouette

Henry Jackman

as Composer in No Silhouette

Steve Blackman

as Producer in No Silhouette

Evan Goldberg

as Director in No Silhouette

sonictiger

as Writer in No Silhouette

Mahershala Ali

as Agent Patrick Roberts in No Silhouette

Darby Stanchfield

as Jenny Graydon in No Silhouette

Storm Reid

as Roxanne Smith in No Silhouette

Asher Angel

as Donny Benson in No Silhouette

Jacob Elordi

as SoundShock in No Silhouette

Samara Weaving

as Shadow in No Silhouette

Taylor Lautner

as Bullet in No Silhouette

Naomi Scott

as Projectous in No Silhouette

Dylan O'Brien

as Blazer in No Silhouette