Jim Gaffigan Jim Actor, Executive Producer Ashley Williams Jeannie Actor Adam Goldberg Dave Actor Michael Ian Black Daniel Actor Tongai Arnold Chirisa Father Nicholas Actor Angus Costello Little Mike Gaffigan Guest Star Jack Gaffigan Little Jimmy Guest Star Jeannie Gaffigan Gaffigan Cave Mom Guest Star, Executive Producer Marre Gaffigan Teenage Pam Guest Star Liam Keenan Little Mitch Guest Star Wolfgang Jackson Lacz James Guest Star Sam McCarthy Mike Jr. Guest Star Bridget McGarry Teenage Kathy Guest Star Caitlin Moeller Elizabeth Guest Star Carson Hayes Pacheco Little Joe Guest Star Cameron Seely Mary Guest Star Alex Murray Executive Producer Sandy Wernick Executive Producer Tony Hernandez Executive Producer