Dennis Takes a Mental Health Day

Cast

• 

  Charlie Day

  Charlie Kelly

• 

  Glenn Howerton

  Dennis Reynolds

• 

  Rob Mac

  Ronald 'Mac' McDonald

• 

  Kaitlin Olson

  Dee Reynolds

• 

  Danny DeVito

  Frank Reynolds

• 

  Phil Abrams

  Doctor

• 

  Timothy Davis-Reed

  Brandon

• 

  Anthea Neri

  Tsuma Receptionist

• 

  Jeremy Denzlinger

  Police Officer

• Iris Liu

  Susan

• Michael James Johnson

  Phone Store Clerk