Dean Martin in London

Greg Garrison was an American television director and producer best known for his work on variety shows. He began his career in radio before moving to television, where he directed episodes of Your Show of Shows and The Milton Berle Show. Garrison is most renowned for producing and directing The Dean Martin Show (1965–1974) and its subsequent celebrity roasts. His innovative approach to variety programming and ability to capture spontaneous performances made him a pivotal figure in television entertainment.