Acting William Kellogg Acting Spy Train Detective 1943 King of the Texas Rangers Hank Breen 1941 Trailing Double Trouble Henchman Walt 1940 King of the Royal Mounted Const. MacCloud 1940 Young Buffalo Bill Henchman 1940 West of Abilene Deputy (as W. A. Kellogg) 1940 The Return of Wild Bill Henchman Deputy Hep 1940 The Shadow Strikes Humphrey Comstock 1937 Agent-readable