Career
Originally a ballerina, she found success as an actress. Her high pitched voice has also served her well in animated cartoons, having featured on animated shows as Batman: The Animated Series, The Critic, The Tick and The Simpsons. From 1993 to 1995, Robertson voiced Penny on 2 Stupid Dogs" Secret Squirrel segments.
Robertson performed a short spoken-word segment on Roger McGuinn"s 1990 album Back from Rio.
In 2011, she started playing Penny Wise on the long-running radio series Adventures in Odyssey.