Nitzche dubbed Daphne Ashbrook in the 1996 Doctor Who TV movie, Jennifer Tilly in Bella Mafia, Lynda Carter on Hawkeye, Erika Eleniak on Baywatch, Olivia Williams in Emma, and Greta Scacchi as Tuppence on Marple. Cartoon roles include Marianne Thornberry on The Wild Thornberrys, Harley Quinn on The New Batman/Superman Adventures, Judy on Doug, and various animals on Creature Comforts.
For video games, Nitzche was heard in both English and German versions of Wolfenstein: The New Order (as camp prisoners), as well as Lara Croft in Tomb Raider III and parts in Assassins Creed: Rogue, The Elder Scrolls Online, and The Evil Within. She appeared on German TV in episodes of Großstadtrevier, Adelheid und Ihre Mörder, and Polizeiruf 110. Audiobook credits include The Three Investigators series.