David Goggins

Retired Navy SEAL & Accomplished Endurance Athlete

Adam Driver

Actor Known for Playing Kylo Ren in "Star Wars" Films & Adam Sackler on HBO's "Girls"

MC Hammer

Hip Hop Recording Artist, Record Producer, Entrepreneur, Tech Investor & Startup Consultant

Zach Bryan

Grammy Nominated Country Musician; US Navy Veteran

John Fogerty

American Rock Singer, Songwriter & Guitarist

Drew Carey

Actor, Voice Actor & Comedian; Sports Executive; Game Show Host

Willie Nelson

Country Music Singer-Songwriter Known for "On The Road Again" & "Always On My Mind"

Morgan Freeman

Academy Award-Winning Actor, Narrator & Humanitarian

Gene Hackman

Award-Winning Actor; Best Known for "The French Connection" and "Superman"

Robert Irvine

Celebrity Chef, Philanthropist & Author; Best Known for "Restaurant: Impossible"

Jocko Willink

Retired Navy SEAL Officer & Co-Author of "Extreme Ownership: How U.S. Navy SEALs Lead and Win"

Chuck Norris

Actor & Martial Arts Legend

Chuck Norris Commencement Speaker at Liberty University

Shaggy

Singer, Songwriter & DJ

Sting and Shaggy perfectly impersonate each other

Pat Sajak

Former Host of "Wheel of Fortune"

Nirmal Purja

Former Elite Soldier; World Record Breaking Mountaineer

Tom Selleck

Award-Winning Actor Known for "Magnum P.I." & "Blue Bloods"; Author of "You Never Know: A Memoir"

Tom Selleck reflects on 6 decades in Hollywood in new memoir

Rob Riggle

Actor, Comedian, Writer, Producer, Director & Former U.S. Marine

Robert Duvall

Academy Award-Winning Actor; "The Godfather," "The Apostle," "Get Low" and "The Judge"

Mel Brooks

Jewish-American Actor, Writer, Director, and Theatrical Producer

All About Me!: My Remarkable Life in Show Business

Jamey Johnson

Acclaimed Country Singer-Songwriter