Special Guest Stars Matt Ryan as Dr. Gwyn Davies Donald Faison as Booster Gold Guest Stars Tom Forbes as Alun Thomas Co Starring Joel Eskildsen as Soldier #1 Arvind Johal as Time Policeman Michael Charrois as Prussian General Conor Stinson O'Gorman as Reece Peter Grant as Caveman #1 James R. Cowley as Caveman #2 Dwayne Rhodes as Grizzled Soldier Luke Kuzyk as Soldier #2
