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Season Main Cast
Antonio Raul Garcia
voices Oscar
Oona Laurence
voices Hedgehog
Julia Pott
voices Susie
Nikki Castillo
voices Betsy
Charlyne Yi
voices Alice
Fortune Feimster
voices Ava
Alexa Nisenson
voices Alexa
Bobby Moynihan
voices Jimjams
Bobby Moynihan
voices Mortimer
Lesley Nicol
voices Ramona
Andre Robinson
voices Oliver
Mike Birbiglia
voices Howard
Whoopi Goldberg
voices Barb
Kimiko Glenn
voices Margot
Alia Shawkat
voices Blanche
Faye Larkin
voices Mildred
Mykal-Michelle Harris
voices Lem
Bobby Moynihan
voices Melvin
Jo Firestone
voices Mallory
Aparna Nancherla
voices Opie
Stephen Root
voices Stuart
Vanessa Lee Chester
voices Nancy
Xavier Patterson
voices Ghost the Boy
Betsy Sodaro
voices Skadi
Kevin Michael Richardson
voices Waylon
Kate Berlant
voices Striped Horse
John Early
voices Bearded Sheep
Kent Osborne
voices Ghost Dad Kent
Cole Sanchez
voices Ghost Dad Cole
Bobby Moynihan
voices Toad Doctor
Julian Barratt
voices Poppawoppa
Shirley Henderson
voices Mum
Ashley Jensen
voices Miss Mary
Alex Lawther
voices Mildred's Friend
Fortune Feimster
voices Dolly
Lauren Lapkus
voices Olf
Kent Osborne
voices Chet
Maria Bamford
voices Sandy
Gaille Heidemann
voices Helen
Sally Struthers
voices Rose
Poppy DeAbaitua
voices Young Susie
Mia Lynn Bangunan
voices Kid Mouse 1
Maria Bamford
voices Polly
Fortune Feimster
voices Vern
Kevin Michael Richardson
voices Langston
Thomas Herpich
voices Carl
Keith Ferguson
voices Ghost Pendarvis
Jeremy Crutchley
voices Frog Musician
Alice Pott
voices New Susie
Chris Fleming
voices Professor Q
Jeremy Crutchley
voices Theo
Kate Dickie
voices Professor Elliot
Stephen Root
voices Prime Monister
Kimiko Glenn
voices Ski Bat
Cole Sanchez
voices Vann
Iris Bahr
voices Mother Mouse
Tony Curran
voices Ryan
Lauren Mei
voices Kid Mouse 2