Marc Summers is most well known as host of Nickelodeon's messy gameshow Double Dare. He would later host Super Sloppy Double Dare, Family Double Dare, and What Would You Do?. Marc is is left-handed and very short. He also has an OCD that forces him to keep his house incredibly clean. He is known to clean individual threads in carpets and has a room nobody can enter, because it's "too clean". Marc is also an accomplished magician.

Currently, Marc hosts History IQ, a historical trivia game on the History Channel. Here is his full fimography, shamelessly stolen from the IMDB.

"History IQ" (2000) .... Host Sleepwalker Killing, The (1997) ... aka From the Files of Unsolved Mysteries: The Sleepwalker Killing (1997) (TV)
"Pick Your Brain" (1995) .... Host
"What Would You Do?" (1991) .... Host
"Family Double Dare" (1988) .... Host
"Super Sloppy Double Dare" (1987) .... Host
Marc Summers' Mystery Magical Special (1986)
"Double Dare" (1986) .... Host