Special Guest Stars Rachel Bloom voices Ms. Marigold Guest Stars Doug Murray voices Mailbox Luxton Handspiker voices Periwinkle Brianna Bryan voices Rainbow Puppy Justice James voices Purple Kangaroo Ian Ho voices Chick #1 Jamie Watson voices School Bus Markeda McKay voices Chick #2 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