The role won Ryan his sole career Oscar nomination , for Best Supporting Actor .
Ryan 's breakthrough film role was as an anti-Semitic killer in Crossfire ( 1947 ) , a film noir based on Brooks 's novel .
The role won Ryan Ryan 's sole career Oscar nomination , for Best Supporting Actor .
Ryan 's breakthrough film role was as an anti-Semitic killer in Crossfire ( 1947 ) , a film noir based on Brooks 's novel .