Also, while he's not as famous as either his dad or even his sister, Phil Corlett is the voice of Buddy, making this show (kind-of) a family affair. Real-life sister and brother playing sister and brother on a cartoon, with dad on the show too.
Gilbert, the Conductor's nephew, is voiced by Ashleigh Ball. Interestingly, his voice can be viewed as Rainbow Dash with a stuffy nose.
Science Marches On: The show does its best to stay on top of current discoveries, but sometimes it finds itself the victim of this.