Karl Hackett on AllMovie

With his penetrating eyes, trademark pencil-thin mustache, and stocky build, Missouri-born Karl Hackett appeared in scores of low-budget Westerns from 1935 to 1948, usually playing characters with untrustworthy names like Wolf Hines (Colorado Kid [1937]), Slaughter (Utah Trail [1938]), or Three-Fingers Rogel (Where the Buffalo Roam [1938]). Once in a while he wore a badge (The Lion's Den [1936], Wild Horse Rustler [1943]), but was still highly suspicious. On his few excursions away from the range, Hackett played thugs in the 1939 serials The Green Hornet and its sequel The Green Hornet Strikes Again (1940) and was Councillor Krenko in Buck Rogers (1940).