心理學家，擅長透過人體的肢體語言，特別是面部的「微表情」來判斷對方的心理活動。創辦了萊特曼集團，為政府部門和私人提供調查服務。

 A genius body language scientist, predominantly microexpressions, and a founder of The Lightman Group, a private company that operates as an independent contractor to assist investigations of local and federal law enforcement through Applied Psychology.

卡爾的同事，專長是分析聲音、語言和行為。

Dr. Lightman's psychologist colleague in The Lightman Group who analyses patterns of voice, language, and behavior.

萊特曼集團的僱員。經過專業訓練獲得了閱讀表情的能力，屬於技術型人才。

An employee of The Lightman Group. He acquired his skills in "reading" people through academic education and practice. 

萊特曼集團僱員，萊特曼博士的弟子。

An employee of The Lightman Group and Dr. Lightman's protég.é