
Acting
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 in…

Toy Story 5
as Rex (voice)

The Clock
as Harold Jenkins

The Addams Family 2
as Mr. Mustela (voice)

Waiting for Godot
as Lucky

Timmy Failure: Mistakes Were Made
as Mr. Crocus

Rifkin’s Festival
as Mort Rifkin

A Virtual Princess Bride Reunion
as Vizzini

Toy Story 4
as Rex (voice)

Marriage Story
as Frank

Forky Asks a Question: What Is Time?
as Rex (voice)

Krapopolis
as John Fate (voice) · 1 ep.

Gossip Girl
as Cyrus Rose · 1 ep.

Evil
as Father Francis Ignatius · 10 ep.

Amphibia
as Humphrey (voice) · 1 ep.

Summer Camp Island
as Pete (voice) · 1 ep.

Big City Greens
as Jyle (voice) · 1 ep.

Young Sheldon
as John Sturgis · 53 ep.

The Good Fight
as Charles Lester · 5 ep.

The Marvelous Mrs. Maisel
as Herb Smith · 2 ep.

Search Party
as William Badpastor · 2 ep.
Toy Story 2
1999