박종환Jong-hwan (segment "Every dog has his day ")
정연주Yeon-joo (segment "Every dog has his day ")
백승화baseball simulator owner (segment "Every dog has his day ")
허정도audience (segment "Every dog has his day ")
Baek Soo-jangDae-il (segment "Matryoshka")
박민지So-eun (segment "Matryoshka")
허정도Jung-woo (segment "Matryoshka")
박혁권professor (segment "Matryoshka")
