Grant RobertsSelf - Sports Medicine Consultant Jillian MichaelsSelf - Host / Director / Executive Producer Randy HetrickSelf - Judge Jason RosellSelf - Contestant Eric HinwoodFitness Tester Rebecca ParvinControl Subject-Contestant Kit HooverSelf - Guest Judge Serge MartinenkoSelf - Fitness Tester Erica ShannonFitness Tester (self) Jordan Michael MartinezSelf Felipe OsorioFitness Model Romika AnnabellFitness Model Vincent WashinstonFitness tester Anjeli JanaFitness Tester Paulette Victor LiftonDirector Jillian MichaelsSelf - Host / Director / Executive Producer Brant PinvidicExecutive Producer Todd A. NelsonExecutive Producer DJ RothExecutive Producer Brittany Perham-MacWhorterArt Director Erin BarrowCostume Designer Jennifer Kim NagakawaEditor Anthony GonzalesSupervising Producer Malia HerrickStory Editor Colin ShermanAssociate Field Producer Ben SimmsCoordinating Producer Robert VanoverSupervising Producer David FitzgeraldField Producer Jordan BogdonavageSenior Post Producer Adela RohanSenior Story Producer Mari-Jo QualeyTreatment Writer 
