9299
In the early 1970 s , he served as a technical consultant for a BBC television series featuring David McCallum , Edward Hardwicke and Robert Wagner , that focused on life at Colditz .
 organization: BBC; person: David McCallum; person: Edward Hardwicke; person: Robert Wagner; location: Colditz
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: BBC; person: David McCallum; person: Edward Hardwicke; person: Robert Wagner; location: Colditz