(written from a Production point of view)
Kellee Bradley is an actress, singer and songwriter who appeared as an Angel I guard in the Star Trek: The Next Generation first season episode "Angel One" in 1987. She received no credit for this appearance. 
Born in Pensacola, Florida, Bradley traveled a lot during her early years as the daughter of a Navy pilot. She went to Newfoundland, Japan, San Diego and Brooklyn, New York where she went to school at the PS 195 public elementary school and also her passion for music. The same year she got her first guitar from her parents at Christmas Eve.
Bradley moved to Junction City, Oregon and had piano and guitar lessons and participated in musical theater. At the age of 15 she was invited to sing the song "Caring for Tomorrow", written by her, on the National Telethon. Soon after, she graduated from the University of Oregon and moved to Los Angeles to study acting.
Several years later, Bradley moved to Seattle where she is still residing.
Bradley released her debut album "The Season" in 1999, followed by her second album "I Talk To The Stars" in 2002. For her third album, "Waiting", released in 2005, Bradley won several awards including the first place in the 2004 USA songwriting competition/lyrics. Her latest album, "Milestones", was released in 2014. 
Beside her work on The Next Generation, Bradley starred as Jennifer in the 1989 action comedy Fortress of Amerikkka where she worked with fellow Trek alumni Beverly Trachtenberg, Marjean Holden, and Phil O'Dell. She also appeared in two episodes of the comedy series Northern Exposure (1990 and 1991, the latter one features the voice of Frank Welker).
In 2002, Bradley was featured as a hooker in the crime drama Highway, with Mark Rolston, Craig Baxley, Jr., Thom Williams, Randy Mulkey, Peet Montzingo, Christopher Doyle, and Gregg Sargeant, and in 2007 she portrayed Jolene Baker in the horror thriller Frayed. She also appeared in a making of for Frayed released in 2009, featured on the DVD and titled Inside Quantum: The Post-Production of Frayed.