Guest Stars Lachlan Buchanan as Emmett Dixon Jesse Williams as Dr. Jackson Avery Peter Onorati as Snuffy Souza Kelly McCreary as Dr. Maggie Pierce Jack Conley as Captain Lawrence Reginald VelJohnson as Charlie Irwin Patrick Gallagher as Keller Co Starring Hunter Womack as Luke Remington Hoffman as Sting Ray Anthony D. Washington as Jimi Alex Pires as Neal
