The effects of Mn and Cr on the crystallization behaviors of Fe-bearing intennetallics in A356 alloy were studied. Coarse and acicular ${eta}-Al_{5}$FeSi phase in A356-0.20wt.%Fe alloy was modified into small ${alpha}$-Al(Fe,Mn)Si and ${alpha}$-Al(Fe,Cr)Si phases in response to Mn and Cr addition, respectively. Increasing of Mn addition amount elevates the crystallizing temperature of ${alpha}$-Al(Fe,Mn)Si and the Mn/Fe ratio in the ${alpha}$-Al(Fe,Mn)Si. Cr is more effective to modify ${eta}-Al_{5}$FeSi in comparison with Mn. ${alpha}$-Al(Fe,Mn)Si phase had BCC/SC dual structure.