Suggestions by @cw1234

Brendan Fraser

as Ben Grimm in What Voices Do You Hear When You Read Comics? Fan Cast

Ginnifer Goodwin

as Arcee in Transformers

Timothy Olyphant

as New Villains in Gravity Falls: Dipper and Mabel Return

Disney+

as Streaming Service Network in Gravity Falls: Dipper and Mabel Return

Greg Ellis

as New Villains in Gravity Falls: Dipper and Mabel Return

Michael Dorn

as Guest Voices in Gravity Falls: Dipper and Mabel Return

Michael Chiklis

as Ward in Gravity Falls: Dipper and Mabel Return

Michael Kelly

as Ward in Gravity Falls: Dipper and Mabel Return

Aidan Gillen

as Ward in Gravity Falls: Dipper and Mabel Return

Roger Cross

as Guest Voices in Gravity Falls: Dipper and Mabel Return

Brad Breeck

as Composer in Gravity Falls: Dipper and Mabel Return

Tim mckeon and Alex Hirsch

as Writer in Gravity Falls: Dipper and Mabel Return

Alex Hirsch

as Director in Gravity Falls: Dipper and Mabel Return

Tom Vaughan-Lawlor

as New Villains in Gravity Falls: Dipper and Mabel Return

Dee Bradley Baker

as Waddles in Gravity Falls: Dipper and Mabel Return

Felicia Day

as Guest Voices in Gravity Falls: Dipper and Mabel Return

Rhys Darby

as Guest Voices in Gravity Falls: Dipper and Mabel Return

James Cromwell

as Guest Voices in Gravity Falls: Dipper and Mabel Return

Haley Joel Osment

as Guest Voices in Gravity Falls: Dipper and Mabel Return

Bruce Harwood

as Mr Pines in Gravity Falls: Dipper and Mabel Return