Originally, she was a pitcher for her junior high school's softball team.[2] However, when her father's theater troupe had no child actors to play the titular character of their stage adaptation of The Adventures of Pinocchio, Shimizu was selected for the role, inspiring her to become an actor.[5] She later became part of Gekidan Shinjinkai.[3] In addition to working as an actress, Shimizu worked as actress Misako Watanabe's apprentice and as a production assistant.[5]
Astro Boy
In 1962, Osamu Tezuka introduced Shimizu to his manga series, Astro Boy,[6] after Kaoru Anami, a childhood acquaintance of Shimizu's and future Mushi Production executive, recommended her to Tezuka due to a conversation in which they noted Pinocchio's inspiration of Astro Boy and Shimizu's previous role as Pinocchio.[7] Although she had not read manga and was even unaware of Astro Boy's existence,[8] she was later cast as the titular character in the anime's original pilot episode and the subsequent anime series.[5] During production, she became pregnant, and after a doctor advised against working during her pregnancy, she took an eight-episode break from the role with Kazue Tagami [ja] as her substitute, resulting in several children complaining to the show's broadcasting network, Fuji TV.[9][8]
Tezuka originally wanted Atom's voice actress to remain unchanged,[10] and Shimizu reprised her role as Astro Boy in the show's 1980 colour remake and in the 2000 film The Last Mystery of the 20th Century.[11] However, Tezuka died in 1989,[10] and on 6 April 2003, she retired from voicing Astro Boy, later saying in a 2013 interview with Seiyū Grand Prix that she wanted a younger voice actor to succeed her.[12]
Later career and life
In 1968, Shimizu starred in Humanoid Monster Bem as Belo,[11] a character she later recalled struggling with by having to convey "a dark image because he was a child crawling under the ground".[13] In 1977, Shimizu was cast as the titular character of Jetter Mars;[11] she later recalled that during the series' production, she felt a lack of patience over voicing the only child character and rising tensions.[13] In 1978, she voiced Jim Hawkins in Treasure Island, later recalling that the character "left an impression on [her]".[9] Other characters Shimizu voiced include Mame-tan in Detective Brat Pack, Kanbō in Sabu to Ichi Torimono Hikae, Tomiko Shimamoto in Attack No. 1, Ken in Hitori Bocchi, Inspy in Marine Boy, Tetsuji in Ikkyū-san, Gorō Makino in Uchu Enban Daisenso, Mirun in Gaiking, Kira in Galaxy Express 999, Yusuf in Animation Kikō: Marco Polo no Bōken, Patty in Triton of the Sea, Adam in Undersea Super Train: Marine Express, Prince Alor in Beast King GoLion, Peko in Doraemon: Nobita and the Haunts of Evil, Tezuka's mother in The Tezuka Osamu Story: I Am Son-goku, and Ricky in the 2004–2006 anime adaptation of Black Jack.[11]
Shimizu wanted to focus on Shinjinkai after Astro Boy's final episode, but she had a child while the series was still airing, making it difficult to participate in stage acting, and moved to the same office as Nobuyo Oyama, her friend from the Haiyuza school.[9] Shimizu later worked for Aoni Production and Production Baobab,[14] before moving to 81 Produce.[1]
In 2015, Shimizu's autobiography, Tetsuwan atomu to tomo ni ikite: seiyū ga kataru anime no sekai (鉄腕アトムと共に生きて－声優が語るアニメの世界, lit. "Living With Astro Boy: The Anime World As Told By A Voice Actor"), was published by Sakitama Publishing.[4] Shimizu said that she wrote the book because she "wanted to leave her past that way".[4]
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Shimizu, Mari (30 November 2013). "感情を表現するにはたくさんの経験を積まないといけない". Seiyū Grand Prix (Interview). Archived from the original on 21 April 2015. Retrieved 20 April 2023.
