Special Guest Stars Matt Ryan as John Constantine Guest Stars Adam Tsekhman as Agent Gary Green Mina Sundwall as Lita Sarah Strange as Lachesis Drew Tanner as Dion / Dionysus Co Starring Lillian Doucet-Roche as Mel Dylan Leonard as 90's Frat Guy Briana Skye as Silvia "Sil" Hines Brian Calvert as Gene Colton Mackie as Tim Raylene Harewood as Tour Guide Carson Schiefner as Sigma Member Angela Galanopoulos as Terri Elior Desage as Henry Roman Anthony as Frat Guy Jennifer Tong as Inez Martin Austin Macwhirter as Bro Nathan Yan as Chris Jade Falcon as Lisa Lindhome Elijah Silva as Mikey