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Other western roles included that of a foreman in the episode " Tom Horn " of Dale Robertson 's then NBC series Tales of Wells Fargo and twice on NBC 's Laramie in 1959 episodes " Stage Stop " and " The General Must Die " , in which he appears briefly as Union Army General William Tecumseh Sherman .
 Dale Robertson, NBC, NBC, Union Army, William Tecumseh Sherman
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Dale Robertson, NBC, NBC, Union Army, William Tecumseh Sherman