George Edmond Manley is an American voice actor, novelist and screenwriter. He attended San Jose State University, majoring in theatre arts, University of Nevada, Reno, majoring in journalism and holds his associate of science degree in Computer Information Systems and trained at San Francisco's Voice One Studio and with Braintracks Audio's Nancy Wolfson in commercial and character voiceover. He performed voice work at ADV Films, including Francesco in the second volume of Noir; Impact, the giant robot in Legend of the Mystical Ninja; Hyugi Zeravire from Gravion Zwei; Barba from Hakugei: Legend of The Moby Dick; and the English-language narrator for Science Ninja Team Gatchaman. He wrote a script adaptation for six episodes of Gantz, and is the series writer for the adaptation of Super Dimension Fortress Macross, 009-1, Coyote Ragtime Show, Pumpkin Scissors and Full Metal Panic! The Second Raid. Manley became a voice artist, after meeting and receiving encouragement at the 2002 FanimeCon from Amanda Winn-Lee, Tiffany Grant and Matt Greenfield. Manley is an on-air personality for Houston's Taping for the Blind Radio, reading the Houston Chronicle and Sports Illustrated on a weekly basis.

Science Ninja Team Gatchaman is a Japanese animated franchise about a five-member superhero ninja team created by Tatsuo Yoshida and produced by Tatsunoko Productions. The original anime series, which debuted in 1972, was eponymously entitled Kagaku Ninja-tai Gatchaman and is best known in the English-speaking world as the adaptation entitled Battle of the Planets (1978). The series had additional English adaptations with G-Force: Guardians of Space (1986) and 2005 ADV Films uncut release. Tatsunoko also uses the official translation Science Commando Gatchaman in related products and media.