'Supergirl' & 'Oppenheimer' Actor David Krumholtz Taking "An Indefinite Break" From Acting: "Frustrated, Fed Up, Fried" DeadlineDavid Krumholtz Says He’s Retiring from Acting in Shock Social Post: “Profession Has Lost Its Gleam” hollywoodreporter.com‘Supergirl’ Star David Krumholtz Posts and Deletes Plans to Retire From Acting: ‘And Now, New Life’ VarietyDavid Krumholtz Puts ‘Acting Career on Hold,’ Admits He’s ‘Frustrated, Fed up, Fried’ Just Jared‘Oppenheimer’ star says he’s stepping back from acting: ‘Frustrated, fed up, fried’ Entertainment Weekly