Secrets of the Universe Characters

Characters played by Douglas Vakoch

• Self

• 

Characters played by Bruce Lester-Johnson

• Narrator

Characters played by Sara Seager

• Self

Characters played by David Hitt

• Self

Characters played by David Shayler

• Self

Characters played by Scott Willoughby

• Self

Characters played by Brian Odom

• Self

Characters played by James R. Chiles

• Self

Characters played by Myron Fletcher

• Self

Characters played by Hashima Hasan

• Self

Characters played by Garth Illingworth

• Self

Characters played by Grujica S. Ivanovich

• Self

Characters played by Jonathan Looser

• Self

Characters played by James L. Splawn

• Self