You as (Y/N)
(This is me but just pretend it's you ok...thank you)
Finn as himself
Sophia as herself
Wyatt as himself
Jaeden as himself
Jack as himself
Chosen as himself
Jeremy as himself
Millie as herself
Gaten as himself
Noah as himself
Caleb as himself
Sadie as herself
Scientists/Doctors:
Bill Skarsgård as Dr.Skarsgård
Winona Ryder and Dr.Ryder
David Harbour as Dr.Harbour
Natalia Dyer as Dr. Dyer
(That took me forever, you're welcome)