PersonKarl Swenson17 credits in the catalogue: acting.On the wikisLittle House on the Prairie WikiActingDecember 7th1943Machine-Gunner (uncredited)Kings Go Forth1958The ColonelThe Hanging Tree1959Tom FlaunceNorth to Alaska1960Lars NordqvistThe Gallant Hours1960Bill BaileyJudgment at Nuremberg1961Heinrich GeuterHow the West Was Won1962Train Conductor (uncredited)Lonely are the Brave1962Rev. HoskinsThe Birds1963Le prophète de malheur ivre au barThe Sword in the Stone1963Merlin (voice)The Cincinnati Kid1965Mr. RuddMajor Dundee1965Captain WallerThe Sons of Katie Elder1965Doc IsdellSeconds1966Dr. MorrisVanishing Point1971ClerkUlzana's Raid1972RukeyserLittle House on the Prairie1974Lars Hanson