- Yoo Ah-in (Han Se-joo / Seo Hwi-young)
- Im Soo-jung (Jeon Seol / Ryu Soo-hyeon)
- Go Kyung-pyo (Yoo Ji-no / Shin Yool)
- Kwak Si-yang (Baek Tae-min / Heo Young-min)
- Jo Woo-jin (Gal Ji-seok)
- Oh Na-ra (Secretary Kang)
- Yang Jin-sung (Ma Bang-jin)
- Jeon Soo-kyung (Wang Bang-wool)
- Kang Hong-suk (Won Dae-han)
- Ji Dae-han (Won Man-hae)
- Cheon Ho-jin (Baek Do-ha)
- Jo Kyung-sook (Hong So-hee)
- Seo Hye-jin (Ribera)
- Shim Min (Mi-young)
- Kim Seong-hoon (Lee Jeong-bong)
- Park Sun-im (Hanna Kim)
- Choi Seo-yeon (Seol's colleague)
- Cha Gun-woo (Yool's butler)
- Jung Yeon-joo (Bang-jin's colleague)
- Kim Hyun-sook (Dr. Soo)
- Cha Soon-hyeong (Japanese police)
- Jo Yeong-hoon (Veterinary surgeon)
Chicago Typewriter — S1E3
Episode: Just a Dream?
Air Date: 2017-04-14
Runtime: 70 min
Overview
Se-joo is unable to write anything while he’s in his slump. He almost gets himself killed in an accident. At the detrimental moment, Seol comes to help. She takes Se-joo to her father’s cabin. Se-joo keeps an eye out for any kind of danger and coincidentally saves Seol from harm. Se-joo keeps on having weird dreams and Seol always appears in them.