Captain Jean-Luc Picard

Patrick Stewart

Commander William T. Riker

Jonathan Frakes

Lieutenant Commander Data

Brent Spiner

Lieutenant Commander Geordi LaForge

LeVar Burton

Praetor Shinzon

Tom Hardy

Lieutenant Commander Worf

Michael Dorn

Commander Deanna Troi

Marina Sirtis

Dr. Beverly Crusher

Gates McFadden

Viceroy

Ron Perlman

Senator Tal'aura

Shannon Cochran

Commander Donatra

Dina Meyer

Commander Suran

Jude Ciccolella

Praetor Hiren

Alan Dale

Admiral Kathryn Janeway

Kate Mulgrew

Senator

John Berg

Wesley Crusher

Wil Wheaton

Helm Officer Branson

Michael Owen

Scimitar Computer (voice)

Stuart Baird

Guinan (uncredited)

Whoopi Goldberg

Commander

David Ralphe

Reman Officer

Robertson Dean

Computer (voice)

Majel Barrett

Starfleet Officer (uncredited)

Bryan Singer

Commander

J. Patrick McCormack

Romulan Senator

Greg Bronson

Wedding Guest

Bruce Dobos

Starfleet Officer

Baron Jay

Young Ensign

Nicholas Lanier

Commander Madden

Steven Culp