Aliases: Colleen Beccaire, Colleen Brennen, Oiga Vault, Sharon Kelly. Colleen Brennan came onto the scene at the dawn of the seventies by appearing in some soft-core flicks, but by 1975 she had moved on to the hard-core variety of porn. One of her best films is “Tower Of Power”. She managed to perform in more than seventy-five flicks. Both the X-Rated Critics’ Organization and Adult Video News have honored her impressive talents with several awards in the eighties. Colleen Brennan continued to entertain audiences with her erotic endeavors until 1987 when she retired from the porn world.