Special Guest Stars Rachel Bloom voices Ms. Marigold Guest Stars Doug Murray voices Mailbox Brianna Bryan voices Rainbow Puppy Luxton Handspiker voices Periwinkle Justice James voices Purple Kangaroo Ian Ho voices Chick #1 Markeda McKay voices Chick #2 Jamie Watson voices School Bus Logan Nicholson voices Chick #3 Sadie Trant voices Pearl Charlotte Tavares voices Chick #4 Co Starring Claire Poon as Josh's Friends McKenzie Cornelius as Josh's Friends Athan Giazitzidis as Josh's Friends