LOS ANGELES — They may be low-budget independent films, but the premieres at next month’s Sundance Film Festival are loaded with stars, including Al Pacino, Katie Holmes, Pierce Brosnan, Jennifer Connelly, Kevin Spacey and Tobey Maguire. Pacino, Holmes and Channing Tatum star in “The Son of No One,” director Dito Montiel’s post-9/11 New York drama that will be the closing-night film of Robert Redford’s festival, which runs Jan. 20-30 in Park City, Utah.