John Lawrence Russell was an American film and television actor, most noted for his starring role as Marshal Dan Troop in the ABC western television series Lawman from 1958 to 1962 and his lead role as international adventurer Tim Kelly in the syndicated TV series Soldiers of Fortune from 1955 to 1957.

Lawman is an American Western television series originally telecast on ABC from 1958 to 1962, starring John Russell as Marshal Dan Troop and Peter Brown as Deputy Marshal Johnny McKay. The series was set in Laramie, Wyoming, during 1879 and the 1880s. Warner Bros. already had several Western series on the air at the time.