Henry Gayle Sanders is an American actor known for his TV roles as Prosper Denton on Queen Sugar Samuel Carter on 911 Uncle Chester on Hap Leonard Cedric on the miniseries DMZ and Robert E On Dr Quinn Medicine Woman as well as the TV movie of the same name Hes known for his film roles as Arthur Holloway in Samaritan Pastor Jack in Roman J Israel Esq Cager Lee in Selma Red Henderson in Whiplash Martin in Rocky Balboa Cesars Trainer in Play It to the Bone and Sandy in Bull Durham He has also had roles in a number of TV movies Hes guest starred on numerous TV shows including Shameless American Horror Story Greys Anatomy The Mentalist CSI Cold Case Eleventh Hour Heartland Commander in Chief Joan of Arcadia The West Wing Boomtown NYPD Blue Moesha Sliders ER Murphy Brown The Young and the Restless LA Law Alf Matlock Married with Children Beauty and the Beast Moonlighting Cagney Lacey Highway to Heaven Whats Happening Now 227 Hunter Hill Street Blues Miami Vice Knots Landing Night Court Knight Rider Diffrent Strokes St Elsewhere The Greatest American Hero The Jeffersons Good Times and The Rockford Files