Suggestions by @vanillabear616

Jamie Campbell Bower

as Lich in Adventure time live action(story private)

Score: +1

Benedict Cumberbatch

as Lich in Adventure time live action(story private)

Score: +1

Ron Perlman

as Lich in Adventure time live action(story private)

Score: +1

Niki Yang

as Lady Rainicorn in Adventure time live action(story private)

Score: +1

Katie Douglas

as Princess bubblegum in Adventure time live action(story private)

Score: +1

Lo Mutuc

as Bmo in Adventure time live action(story private)

Score: +1

Sadie Sink

as Flame Princess in Adventure time live action(story private)

Score: +1

Niki Yang

as Bmo in Adventure time live action(story private)

Score: +1

Brady Hepner

as Finn Mertens in Adventure time live action(story private)

Score: +1

Percy Hynes White

as Finn Mertens in Adventure time live action(story private)

Score: +1

Jack Dylan Grazer

as Finn Mertens in Adventure time live action(story private)

Score: +1

Sophia Lillis

as Flame Princess in Adventure time live action(story private)

Score: +1

Steve Buscemi

as Ice King in Adventure time live action(story private)

Score: +1

Jonathan Banks

as Ice King in Adventure time live action(story private)

Score: +1

Bernard Hill

as Ice King in Adventure time live action(story private)

Score: +1

Ian McKellen

as Ice King in Adventure time live action(story private)

Score: +1

Christian Convery

as Finn Mertens in Adventure time live action(story private)

Score: +1

Maya Hawke

as Princess bubblegum in Adventure time live action(story private)

Score: +1

Jack Haven

as Marceline Abadeer in Adventure time live action(story private)

Score: +1

Kiernan Shipka

as Princess bubblegum in Adventure time live action(story private)

Score: +1