Margaret Munnerlyn Mitchell: Kaori Nazuka (Amagami SS)
Nathaniel Hawthorne: Tarusuke Shingaki (Ozmafia!!)

Nathaniel Hawthorne: Tarusuke Shingaki (Ozmafia!!)

Opening Theme Song: "Reason Living" by SCREEN mode
Source: Ota☆Suke
Update September 14
The official website has announced more additional cast members.
John Ernst Steinbeck: Kengo Kawanishi (Mobile Suit Gundam: Iron-Blooded Orphans)

Howard Phillips Lovecraft: Shunsuke Takeuchi (The iDOLM@STER Cinderella Girls)


Howard Phillips Lovecraft: Shunsuke Takeuchi (The iDOLM@STER Cinderella Girls)

Source: Nijimen
Update September 21
The official website has announced more additional cast members.
Source: Official Twitter
![New Cast Members of 'Bungou Stray Dogs 2nd Season' Announced [Update 9/21]](https://cdn.myanimelist.net/s/common/uploaded_files/1472668671-a0f6d8eeffa8d3bf658b2e3a9057ba3a.jpeg)

