Rhiannon Wryn (formerly credited as Rhiannon Leigh Wryn) is an American actress. She had lead roles in the 2007 film The Last Mimzy and the 2010 film Monster Mutt. She was nominated for both a Saturn Award and a Young Artist Award for her performance in The Last Mimzy.
In 2007, she co-starred in Robert ShayeâÂÂs science fiction adventure drama The Last Mimzy, portraying Emma Wilder, a seven-year-old who, alongside her brother, discovers a box of mysterious devices sent from the future that grant telepathic and telekinetic abilities.