Question: who plays the dad on life of the party
Answer: Maya Rudolph as Christine Davenport , Deanna 's neurotic and heavy drinking best friend Jessie Ennis as Debbie , a sorority sister with `` issues '' Adria Arjona as Amanda , another sorority sister with `` issues '' Matt Walsh as Daniel `` Dan '' Miles , Deanna 's ex-husband , Maddie 's father Julie Bowen as Marcie Strong , a real estate agent , Deanna 's nemesis and Dan 's lover Debby Ryan as Jennifer , a `` mean girl '' in Deanna 's archaeology class Stephen Root as Michael `` Mike '' Cook , Deanna 's father and Maddie 's grandfather Jacki Weaver as Sandy Cook , Deanna 's mother and Maddie 's grandmother Luke Benward as Jack Strong , a frat boy infatuated with Deanna Jimmy O.