This season, FIRST IMPRESSIONS with Dana Carvey also welcomes an all-star celebrity line-up to cheer-on the contestants; Steve Carell ("The Big Short"), Jay Leno ("The Tonight Show," "Jay Leno's Garage"), Kevin Nealon ("SNL"), Yvette Nicole Brown ("Community"), Tom Arnold ("Sons of Anarchy"), Jon Lovitz ("Saturday Night Live") and Kate Flannery ("Inside Out") will coach the aspiring impressionists through a variety of challenges, helping them to hone their skills.