Mr. Monk and the Astronaut

Tony Shalhoub

Adrian Monk

Ted Levine

Leland Stottlemeyer

Jason Gray-Stanford

Randall Disher

Traylor Howard

Natalie Teeger

Jeffrey Donovan

Steve Wagner

Eric Allan Kramer

Darrell Cain

Emmy Clarke

Julie Teeger

Brianna Brown

Joanne Raphelson

Ariel Winter

Donna Cain

Michael Belcher

Bobby

Natasha Pavlovich

Nicole Wagner

Albert Malafronte

Congressman

Billy Mayo

Mechanic

Brandon Matthew Parker

First Boy

Bruno Amato

Crew Member

Diane Boehm Himmich

P.R. Person

Erica Zodtner

Reporter

Ernest John Teichert III

Pilot

Jared Dostie

Young Airman

Larissa Shebroe

First Girl

Martin Papazian

Captain Savo

Roshon Fegan

Third Boy

Roy William Collins

Lead Security Officer

Timothy Taule

NCO

Tom Ohmer

Uniform Cop

Wanda Acuna

Housekeeper

Willow Duke

Young Girl

Christine Fry

Air Force Second Lieutenant

Kathleen Carr

Congressman's Wife (uncredited)

Ian Novotny

Cleaning Staff (uncredited)

Stanley Kamel

Dr. Charles Kroger

Tanner Scott Richards

Second Boy