as Agnes O'Connor / Agatha Harkness

as Red Forman

as Velma Dinkley (voice)

as Michael Burnham

as Duncan / Annie (voice)

as Jonathan Smith

as Beatrice Bellacourt

as Self

as B.O.B.

as Garfunkel

as Sam Duvet

as Ronnie

as Tom Sheffield

as Finn

as Margaret Tate

as Valentine McKee

as John Marshall

as Marty McFly / Seamus McFly

as Roxy Richardson

as Sara Crewe

as Brennan Huff

as Gil Buckman

as Bailey

as Ginny Hanks Grainger

as Paul Morgan

as Harry Stadling

as Franny Ellis

as Henry Lloyd Moon

as Julie Rose / Katie McGovern / Evelyn

as Ada