<Li> Héctor Elizondo as Edward "Ed" Alzate, Mike's longtime boss: Ed started a bait and tackle shop many years ago and hired Mike, who helped turn the shop into the 20 - store Outdoor Man chain . Ed is perhaps fifteen years older than Mike, but the two men bond over similar outdoor hobbies and shared conservative values . Mike regularly talks to Ed about the happenings in his home and occasionally seeks advice . Having been divorced four times, Ed's suggestions are rarely helpful . Ed is a Vietnam veteran, although he saw no combat in Vietnam, stating that he was a clerk in Saigon . He continues to help fellow veterans at the local Veterans of Foreign Wars hall with their Veteran Affairs paperwork . Ed is also a recurring target for jokes about his age and lack of hair, most often from Mike . It is revealed in season 6 that Ed has early onset dementia . </Li> <Li> Flynn Morrison (regular, seasons 2--6) and Evan and Luke Kruntchev (recurring, season 1) as Boyd Baxter, Kristin's son: Mike enjoys spending quality time with his grandson Boyd, and affectionately views him as the son he never had . Mike and Ryan often clash on how he should be raised . Boyd enjoys activities encouraged by both his father and grandfather . </Li> <Li> Jordan Masterson (regular, seasons 2--6) and Nick Jonas (guest star, season 1) as Ryan Vogelson, Boyd's Canadian father: Though Ryan initially fled when Kristin got pregnant, the two reconciled and got engaged at the end of season 3 . Ryan holds staunchly liberal views, both politically and philosophically . He and Mike routinely clash over their fundamentally opposing values, especially when it comes to child - rearing . Mike is often quick to point that many of Ryan's atheistic and liberal views are hypocritical . Ryan wishes to raise his son without religion and patriotism, but neither Mike nor Kristin allow this . His vegan diet, political correctness, views on discipline, and general oversensitivity are an affront to Mike's beliefs . On rare occasions, Ryan agrees with Mike on what is best for Boyd's future, but this usually winds up creating rifts with Kristin and / or Vanessa . </Li> <Li> Jonathan Adams as Chuck Larabee (regular, seasons 4--6; recurring, seasons 2--3), Mike and Vanessa's neighbor: Chuck is a retired U.S. Marine and a veteran of the first Gulf War who runs a private security business and later takes charge of security for the Denver Outdoor Man . Chuck is an African - American, and often jokes with Mike about racial stereotypes . Mike and Chuck regularly exchange barbs as if they don't like each other . In reality, they are good friends, despite being unwilling to admit it . Vanessa sees right through their heated exchanges, often telling them to "get a room". </Li>

Who is boyd's dad in last man standing