Minato, Minako/Hamuko, Mitsuru, Akihiko, Souji/Yu, Yosuke's Persona Jiraiya
I thought I had this pic on my camera, but didn't. Either my 5 year old camera or the cameraman screwed up because the Jiraiya cosplayer got cut out in my pic. So I'm very glad someone else had this photo.
Photo courtesy of Cosplay.com user, nicki_013.