Special Guest Stars Donovan Patton as Joe Yolanda Adams voices Sun Ally Brooke as Herself Guest Stars Doug Murray voices Mailbox Liyou Abere voices Side Table Drawer Brad Adamson voices Mr. Salt Jacob Soley voices Slippery Soap Ava Augustin voices Tickety Tock Jordana Blake voices Pail Leo Orgil voices Shovel Diane Salemi voices Magenta Maya Misaljevic voices Saxophone Co Starring Charlotte Tavares as Josh's Friends Justice James as Josh's Friends Markeda McKay as Josh's Friends Ivano DiCaro as Josh's Friends Leanne Makhlouf as Josh's Friends Maya Misaljevic as Josh's Friends