Special Guest Stars Kevin Kline voices Calvin Fischoeder Guest Stars Jenny Slate voices Tammy John Roberts voices Jocelyn Larry Murphy voices Edith Sam Seder voices Harold H. Jon Benjamin voices Gus John Roberts voices Gary H. Jon Benjamin voices Bracelot Vendor Larry Murphy voices Voicemail Jenny Slate voices Wish Paper Person Jenny Slate voices Tammy's Bubble Sam Seder voices Popcorn Guy