A relief pitcher for the worst team in the league seizes the unlikely opportunity to work nine innings against the star starting pitcher of the league's best team when no one else wants to face him.
| Actor | Role |
|---|---|
 Lee Beom-sooGam Sa-yong | Gam Sa-yong |
 Yoon Jin-seoPark Eun-ah | Park Eun-ah |
 Kim Soo-miSa-yong's mom | Sa-yong's mom |
 Jang Hang-seonNot listed | Not listed |
 Gong YooPark Cheol-su | Park Cheol-su |
 Park Hyo-juShin Hye-young | Shin Hye-young |
 Ha Jung-wooKim Woo-yeol | Kim Woo-yeol |
 Jo Hee-bongKim Sam-yong | Kim Sam-yong |
 Ryu Seung-sooBong In-ho | Bong In-ho |
 Lee Hyeok-jaeNot listed | Not listed |
 Jang So-yeonNot listed | Not listed |