1 The cost of treating dogs with heartworm usually runs around $1,000, but can be $500-$1,100 or more depending on the size of the dog and the stage of the disease. 2  For cats, there is no known treatment for heartworm.
A Martinez, who plays Jacob Nighthorse, talks about what he says, will be a gratifying ending to Longmire. A Martinez, who plays Jacob Nighthorse, talks about what he says, will be a gratifying ending to Longmire.
All the show's mysteries are solved in its final 10 episodes of Season 6, which starts streaming Nov. 17. Longmire costar A Martinez, 69, who plays Jacob Nighthorse, the activist owner of Wyoming's Four Arrows Casino, says it's the best thing that ever happened â and not just for him. You're the only actor I've interviewed who got the break of his lifetime at 64.