Theresa is a character in the 1968 Western film "Bandolero!". She is played by Raquel Welch. In the film, Theresa is part of a gang of bandits led by Dee Bishop (played by Dean Martin). Theresa is depicted as a strong-willed and confident woman who is not afraid to take risks. Throughout the film, she is involved in various shootouts and horseback chases, and is depicted as being just as capable as the male characters. Her relationship with Dee Bishop is one of the central themes of the film, as the two characters are drawn to each other despite their opposing loyalties. Overall, Theresa is a key figure in "Bandolero!" and Raquel Welch's performance adds to the film's appeal.