Alexandra Blaisdell Carr (born May 27, 1966), credited as Alexandra Carr, Alexandra B. Carr or Alex Carr, worked on Mystery Science Theater 3000 from Season K through Season 4. She served as a Production Assistant, Post-Production Coordinator, Fan Club Coordinator and Production Manager. She also performed Magic Voice from Season 2 through the middle of Season 4 as well as playing Sylvia in the second season premiere.