Name	Known for
Mary Hart Self - Host Self - Host See fewer	Jimmy Neutron: Boy Genius (2001)
Thea Andrews Self Self See fewer	Harold & Kumar Go to White Castle (2004)
Adam Baldwin Self Self See fewer	Serenity (2005)
Billy Graham Self (archive footage) Self (archive footage) See fewer	Wiretapper (1955)
Merv Griffin Self (archive footage) Self (archive footage) See fewer	Jeopardy! (1984)
Tony Griffin Self Self See fewer	Spaceballs (1987)
Finola Hughes Self Self See fewer	Like Crazy (2011)
Scarlett Johansson Self Self See fewer	Lost in Translation (2003)
Star Jones Self Self See fewer	The Game (2006)
Blake Lively Self Self See fewer	Gossip Girl (2007)
Leighton Meester Self Self See fewer	The Roommate (I) (2011)
Taylor Momsen Self Self See fewer	How the Grinch Stole Christmas (2000)
Jeff Probst Self Self See fewer	Survivor (2000)
Josh Schwartz Self Self See fewer	The O.C. (2003)
Ryan Seacrest Self Self See fewer	American Idol (2002)
Rick Springfield Self Self See fewer	Mission: Magic! (1973)
Mark Steines Self - Host Self - Host See fewer	Nixon (1995)
Alex Trebek Self Self See fewer	Jeopardy! (1984)
Dick Van Dyke Self Self See fewer	Mary Poppins (1964)
Isaiah Washington Self Self See fewer	Grey's Anatomy (2005)