Suggestions by @enolaeleven

Cameron Seely

as Pacifica Northwest in Gravity Falls

Elle McKinnon

as Pacifica Northwest in Gravity Falls

Steve Speirs

as Blendin Blandin in Gravity Falls

Toby Jones

as Blendin Blandin in Gravity Falls

Detlef Bierstedt

as Blendin Blandin in Gravity Falls

Robert De Niro

as Stanley Pines in Gravity Falls

Aedin Mincks

as Soos Ramirez in Gravity Falls

Finn Wolfhard

as Robbie Valentino in Gravity Falls

Devon Bostick

as Robbie Valentino in Gravity Falls

Ben Whishaw

as Deputy Durland in Gravity Falls

Macaulay Culkin

as Deputy Durland in Gravity Falls

Joseph Gordon-Levitt

as Deputy Durland in Gravity Falls

Meryl Streep

as Lazy Susan in Gravity Falls

Uma Thurman

as Lazy Susan in Gravity Falls

Melissa McCarthy

as Lazy Susan in Gravity Falls

Caolan Byrne

as Toby Determined in Gravity Falls

MIYAKO

as Candy in Gravity Falls

Aubrey Anderson-Emmons

as Candy in Gravity Falls

Momona Tamada

as Candy in Gravity Falls

Zoe Manarel

as Candy in Gravity Falls