Chieko Nanba (南場千絵子) was the first voice actress to play Mika Kayama and the second to play Yumiko in the Sailor Moon anime. She also appeared in other minor roles. Her other anime roles include Ryudia in Galaxy Fraulein Yuna, Winnie in Bamboo Bears, and Dondon in Shima Shima Tora no Shimajirou.