Question. Context: Inspector Gadget is a 1999 American action-comedy film directed by David Kellogg, written by Kerry Ehrin and Zak Penn from a story by Ehrin and Dana Olsen. It is loosely based on the 1983 animated cartoon series of the same name. It stars Matthew Broderick as the title character, along with Rupert Everett as Dr. Claw, Michelle Trachtenberg as Penny, and Dabney Coleman as Chief Quimby. Three new characters were introduced, Dr. Brenda Bradford (played by Joely Fisher), Mayor Wilson (played by Cheri Oteri) and the Gadgetmobile (voiced by D.L. Hughley). The film tells the story of how Inspector Gadget and Dr. Claw came to be in the cartoon.

Question: who played penny in inspector gadget the movie?
Answer. Michelle Trachtenberg
What step-by-step reasoning justifies that answer?
Reasoning: To answer the question, consider the following: It stars Matthew Broderick as the title character, along with Rupert Everett as Dr. Claw, Michelle Trachtenberg as Penny, and Dabney Coleman as Chief Quimby.