The War Master: The Master of Callous • Episode 3 The Persistence of Dreams Sets: The War Master 3.99/ 5 52 votes TARDIS Wiki Share this page {{ shareFeedback }} Copy link {{ copyFeedback }} Overview Reviews (1) Released Wednesday, December 5, 2018 Written by Guy Adams Runtime 52 minutes Login to track and rate! View Rating Distribution Ratings are from TARDIS Guide members only. Characters Martine King The Master The War Master The Ood Where to listen to The Persistence of Dreams: The War Master: The Master of Callous Average. Rating: 73%