Jennifer Garner Is One of the Most Beloved Figures in Hollywood. the 50-Year-Old Actress First Made a Splash in Television on Alias, Before She Transitioned Her Career to the Big Screen. Jennifer’s Most Notable Film Roles Include 13 Going on 30, Daredevil, Juno, Dallas Buyers Club, Yes Day, and More. as a Mom of Three Kids, Jennifer Is Also an Activist for Childhood Education and Has Been Involved in Anti-Paparazzi Campaigns for Children of Celebrities.