Wallace Michael Shawn (born November 12, 1943) is an American actor, essayist, playwright, and screenwriter. He is known for playing Vizzini in The Princess Bride (1987), Mr. Hall in Clueless (1995), Dr. John Sturgis in Young Sheldon (2017–2024), and voicing Rex in the Toy Story franchise (1995–present).
Shawn also appeared in The Bostonians (1984), Prick Up Your Ears (1987), Scenes from the Class Struggle in Beverly Hills (1989), Vanya on 42nd Street (1994), My Favorite Martian (1999), The Double (2013), Maggie's Plan (2015), and Marriage Story (2019). He appeared in six Woody Allen films including Manhattan (1979), Radio Days (1987), and Rifkin's Festival (2020). His television work includes recurring roles as Jeff Engels in The Cosby Show (1987–1991), Grand Nagus Zek in Star Trek: Deep Space Nine (1993–1999), Cyrus Rose in Gossip Girl (2008–2012), and Father Frank Ignatius in Evil (2022–2024).
Shawn is also a playwright; his plays include the Obie Award–winning Aunt Dan and Lemon (1985), The Designated Mourner (1996) and Grasses of a Thousand Colors (2008). He wrote and starred, with Andre Gregory, in the 1981 avant-garde drama My Dinner with Andre, and played the title role in A Master Builder (2013), a film adaptation of Henrik Ibsen's play. Haymarket Books published his books Essays (2009) and Night Thoughts (2017).
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as Buckminster Fuller
as Rex (voice)
as Harold Jenkins
as John Fate (voice)(1 ep)
as Mr. Mustela (voice)
as Cyrus Rose(1 ep)
as Lucky
as Mort Rifkin
as Vizzini
as Mr. Crocus
as Rex (voice)
as Rex (voice)(1 ep)
as Frank
as Father Francis Ignatius(10 eps)
as Rex (voice)
as Humphrey (voice)(1 ep)
as Mr. Woodley (voice)
as Morris Mole (voice)(1 ep)
as Barry (voice)(1 ep)
as Pete (voice)(1 ep)
as Jyle (voice)(1 ep)
as Dr. Derek
as Albert
as John Sturgis(53 eps)
as Principal Miller
as David
as Herb Smith(2 eps)
as Charles Lester(5 eps)
as William Badpastor(2 eps)
as Jerry North(3 eps)
as Tall (voice)(5 eps)
as Kliegler
as Self
as Self (archive footage)
as Mr. Willis
as Samuel(1 ep)
as Gary the Gadget Guy (voice)
as Mr. Williams(1 ep)
as Harry
as Rex (voice)
as Eustace Bagge
as Kenneth Walters(1 ep)
as Wallace Shawn (voice)(1 ep)
as Halvard Solness
as Not-So-Magic-Mirror (voice)(1 ep)
as Self
as Mr. Neville(1 ep)
as Dr. Fieldman
as Mr. Papadopoulos
as Winslow Elliott(6 eps)
as Rex (Voice)
as Clarence
as Gideon Rosen
as Rex (voice)
as Dr. Van Helsing
as Rex (voice)
as Taotie (voice)(2 eps)
as Rex (voice)
as Sandy
as Evil Brain (voice)(1 ep)
as Rat King (voice)(1 ep)
as Calico (voice)
as Rex (voice)
as Dr. Christian Burr (uncredited)
as Rex (voice)(3 eps)
as Booker / Broker / Lancealot Squarejaw
as Broker / Booker / Lancelot Squarejaw
as Charles Lester(3 eps)
as Self
as Self
as The Sorcerer(1 ep)
as Mr. Gibbles (voice)
as Mr. Gibson
as Baron Von Westphalen
as Cyrus Rose(11 eps)
as Wallace Shawn
as Rex (voice) (archive footage)
as Saul (voice)(1 ep)
as Sterling Biddle(1 ep)
as Math Teacher (uncredited)
as Self
as Munk (voice)
as Billy (voice)
as Barnacle Paul (voice)
as Dr. Warren Hughes(3 eps)
as Principal Fetchit (voice)
as Dr. Von Oy(1 ep)
as Sy
as Gilbert Huph (voice)
as Lonny Moon(1 ep)
as William Halsey(4 eps)
as Principal Crosby Strickler (voice)
as Ezra
as Clinic Doctor
as Herman
as Colonel Wilson
as Mimir
as Mr. Gelb
as Rex (voice) (uncredited)
as Film Professor(1 ep)
as Howard Stiles(8 eps)
as George Bond
as I.E. Shinn(2 eps)
as Gene
as Principal Strickler (voice)(47 eps)
as Rex (voice)
as Rex (voice)
as Roy Batters(1 ep)
as Benjamin Edelman(1 ep)
as SpongeBob's House (voice)(1 ep)
as Coleye
as Bertram (voice)(3 eps)
as Tarzan Chimp (voice)
as (voice)(4 eps)
as Martin Gable(1 ep)
as Furnaceman
as Mr. Dune(1 ep)
as Arlos(1 ep)
as Arthur Blake
as Marty
as Philip Ny (voice)(1 ep)
as Self
as Mr. Hall(18 eps)
as Cosmo
as Vic Finley
as Labrador MC (voice)
as Rex (Voice)(55 eps)
as Rex (voice)
as Stan Spiegel
as Mr. Wendell Hall
as Canadian Prime Minister Clark MacDonald
as Boss Man (voice)
as Principal Mazur (voice)
as Vanya
as Horatio Byrd
as Charles Haste(1 ep)
as Boss Man (voice)(60 eps)
as Mr. Little
as Doctor/Therapist
as Larry
as Frank Hopper(1 ep)
as Zek(7 eps)
as Cashpot
as Sibor, Semage's Beau
as Everett Willits
as Simon Carr
as Riley Baker(1 ep)
as Wallace the Hernia (voice)(1 ep)
as Translator
as Dr. Fishbinder
as Oiseau
as Vizzini
as John Lahr
as Ellen
as Masked Avenger
as Henderson's Attorney
as Mike Hoover
as Father Abruzzi
as Dr. Elliot Fibel
as Professor Silverfish
as Jeffrey Engels(5 eps)
as Interviewer
as Mr. Pardon
as Freud
as Turtle
as Frank Judd
as Harold DeVoto
as Earl
as Jules Goldfarb
as Otto Jaffe
as Oliver
as Birthday Party Guest (uncredited)
as Wallace Shawn
as Mugger
as Waiter
as Eric Van Dongen
as Assistant Insurance Man
as Workshop Member
as Jeremiah
as Arnie Ross(1 ep)
as Arnie(1 ep)