Oppenheimer and Supergirl star steps back from acting because he's sick of "fighting for parts"

Oppenheimer actor David Krumholtz has said he's stepping back from acting for a while. Known for playing Isidor Rabi in Christopher Nolan's Oscar-winner as well as appearing as Kara Zor-El's father in this year's Supergirl, Krumholtz will be a recognisable face to many film fans. However, in a now-d…