
Kotaro Shiga (志賀 廣太郎, Shiga Kōtarō, August 31, 1948 – April 20, 2020) was a Japanese actor and theater educator who was active since the 1990s until around 2020. Kotaro was born in Hyogo, Japan. He was a part-time lecturer at Toho Gakuen College of Art, majoring in theater. He was a member of Japanese theater company Seinen-dan (青年団). He was affiliated with l'être.

After Life
1999 · as Kenji Yamamoto

The Taste of Tea
2004 · as Teacher Gashi

Gintama
2017

Kiki's Delivery Service
2014 · as Zoo Director

Sing My Life
2016 · as Jirou Nakata

Survive Style 5+
2004 · as Taxi Driver

I Give My First Love to You
2009 · as English Teacher

Funky Forest: The First Contact
2005 · as Minami

Hirugao
2017 · as Professor Sakagami

Kamen Teacher: The Movie
2014

Tales of the Bizarre: 35th Anniversary Special
2025

Odayaka
2012 · as Shinji

Judge!
2014 · as Karaoke Manager

Seicho Matsumoto's Black Gospel
2014

The SanMei-sama Spin-off: Seven quotes from the parfait old man to save you in life's pinch.
2008

Go Find a Psychic!
2009 · as Mr. Saotome

Haruta & Chika
2017 · as Toshio Iwai

Blue Swallow
2005 · as Pawn Shop Owner