He has a reluctant respect for Sherlock and often defends him from the other police officers ' animosity .
Detective Inspector Greg Lestrade ( Rupert Graves ) works for Scotland Yard .
Greg Lestrade has a reluctant respect for Sherlock and often defends Rupert Graves from the other police officers ' animosity .
Detective Inspector Greg Lestrade ( Rupert Graves ) works for Scotland Yard .