The prominent role that this actor played in HBO Mini series Marvel Comics was Donald Malarkey. This same actor also voiced the son of Stan in the episode I Am the Walrus (American Dad!).
 Some of his most prominent roles include appearances in "ER" as Dr. Archie Morris, "Party of Five" as Will McCorkle, "Band of Brothers" as Technical Sergeant Donald Malarkey, and the animated sitcom "American Dad! 
 Malarkey was portrayed in the HBO miniseries "Band of Brothers" by Scott Grimes. 
", voiced by Scott Grimes. 
 It mainly centers around Stan and his son Steve, who are both competing for the dominant role of the house. 
