
Quick answer — Sally Amaki voices Carol Olston in Tomo-chan Is a Girl!, Kathrina Griebel in Stella of the Theater: World Dai Star, Ame-chan in NEEDY GIRL OVERDOSE and 10 more characters.
Sally Amaki voices Carol Olston (Tomo-chan Is a Girl!), Kathrina Griebel (Stella of the Theater: World Dai Star), Ame-chan (NEEDY GIRL OVERDOSE), Sakura Fujima (22/7 (nanabun no nijyuuni)), Lily Baker (Cultural Exchange with a Game Centre Girl), Eliza Shimizu (BOCCHI THE ROCK!), America no Uma Musume (Umamusume: Cinderella Gray 2nd Cour), Akari Suzumura (Jellyfish Can’t Swim in the Night) and 5 more.
Carol Olston is voiced in Japanese by Sally Amaki.