No, Stephen King did not appear in IT, but here is a list of movies I retrieved from IMDB that he was in:
"Kingdom Hospital" .... Johnny B. Goode (1 episode, 2004)
- Finale (2004) TV episode .... Johnny B. Goode
"Rose Red" (2002) TV mini-series (uncredited) .... Pizza Delivery Guy
"Frasier" .... Brian (1 episode, 2000)
- Mary Christmas (2000) TV episode (voice) .... Brian
"Storm of the Century" (1999) TV mini-series (uncredited) .... Lawyer in Ad/Reporter on Broken TV
"The Shining" (1997) TV mini-series .... Band Leader
Thinner (1996) .... Dr. Bangor
The Langoliers (1995) (TV) .... Tom Holby
"The Stand" (1994) TV mini-series .... Teddy Weizak
Sleepwalkers (1992) .... Cemetery Caretaker
"Golden Years" (1991) TV series .... Bus Driver
Pet Sematary (1989) .... Minister
Creepshow 2 (1987) .... Truck Driver (segment "The Hitchhiker")
Maximum Overdrive (1986) (uncredited) .... Man At Cashpoint
Creepshow (1982) .... Jordy Verrill (segment "The Lonesome Death of Jordy Verrill")
Knightriders (1981) .... Hoagie Man
Yes, Stephen King is right-handed.
No, Stephen King is not single.
Stephen King is a/an Author
Stephen King was born on September 21, 1947.Stephen King was born September 21, 1947.
Stephen King was born on September 21, 1947
No. Stephen King is a European American.
Stephen King has 3 children
Yes, Stephen King has 3 kids.
No, Stephen King has not had a face-lift.
Stephen King has one brother; David King.
The majority of Stephen King's stories are set in Maine, because Maine is Stephen King's home state.
Misery, by Stephen King, was published in 1987