Guest Stars Jay Jackson as Perd Hapley Ben Schwartz as Jean-Ralphio Saperstein Helen Slayton-Hughes as Ethel Beavers Susan Yeagley as Jessica Wicks Lucy Lawless as Diane Lewis Jenny Slate as Mona-Lisa Saperstein Marc Evan Jackson as Trevor Nelsson Henry Winkler as Dr. Saperstein Harris Wittels as Harris Mel Cowan as Red-Faced Man Mary Faber as Kathryn Pinewood Sara Van Horn as Gretel Peter Serafinowicz as Lord Edgar Covington Heidi Klum as Ulee Danssen Kaliko Kauahi as Khongordzol Sope Aluko as Lisa Neil Edmond as Shopkeeper Craig Pearman as Carl Sharon Battle as Nurse Heather McPhaul as Riley Zumph