Ami Koshimizu
The personalities for the show are Riannon and Arthur's voice actors, Yūko Gotō and Makoto Ishii. Guests for "Shin Tears to Tiaradio" are Tōru Ōkawa for episode 3 and 4, Ami Koshimizu and Ai Shimizu for episode 5 and 6, Kaori Nazuka for episode 7 and 8, Suara for episode 9, Ryōko Ono and Ema Kogure from the "To Heart" series for episode 10 while Kiyomi Asai for episode 11 and 12.