Corey Landis has: Played McGuire in "Chrysalis" in 2008. Played Perry in "Lost in the Woods" in 2009. Played John in "Spank Bank" in 2009. Performed in "HBO Imagine" in 2009. Played Paul Beaumont in "Dinocroc vs. Supergator" in 2010. Played Uncle Paul in "Changing Hands" in 2010. Played Cain in "Camel Spiders" in 2011. Played Dave Johnson in "All Good Things..." in 2011. Played Frank in "The Bomb Shelter" in 2011. Played Jonathan Harker in "Dracula: Reborn" in 2012.
Corey Snowden has: Played Purse Snatcher in "Crooked Juction" in 2010. Played Corey, Jason, Max in "Corey and Friends" in 2012. Played Glenn Spears in "How She Became My Ex" in 2013. Played Kevin Barden in "The Retribution" in 2013. Played Gabriel in "The Void" in 2014.
Corey Eid has: Played Justin Carson in "CSI: Miami" in 2002. Played Murphy in "Victorious" in 2010. Played Teenage Burt in "Raising Hope" in 2010. Played Josh Foster in "Respire" in 2010. Played Corey Morris in "Alien Abduction" in 2014.
Although the 2 dated, I do not believe Corey Haim and Alyssa Milano ever appeared in a movie together. Corey mainly did movies, but, Alyssa Milano mainly did TV shows.
Jim Landis has: Played Bailiff in "Dream On" in 1990. Played Ed Walts in "The Lawnmower Man" in 1992. Played Patient in ER in "Jesse" in 1998. Played Doctor in "Farewell, My Love" in 2000. Played Bartender in "Twins" in 2005. Played Dave Weinstein in "Crafty" in 2009.
Erol Landis has: Performed in "The Young Riders" in 1989. Played Cole Tucker in "Gunsmoke: To the Last Man" in 1992. Played Lt. Hovis in "Witchcraft IV: The Virgin Heart" in 1992. Played Gerry Redding in "Telling Secrets" in 1993. Played Mason Tyler in "Last Fair Deal" in 1995.
Helen Landis has: Played Little Buttercup in "H.M.S. Pinafore" in 1972. Played Katisha in "The Mikado" in 1972. Played Ruth in "The Pirates of Penzance" in 1972. Played Dame Hannah Trusty in "Ruddigore" in 1972. Played Fairy Queen in "Iolanthe" in 1972. Played Dame Carruthers in "The Yeomen of the Guard" in 1972.
Corey Podell has: Played Hillary Whitmore in "Solicit Behavior" in 2007. Played Gayle Fields in "Ikea Heights" in 2009. Played Dog Lady in "2 Broke Girls" in 2011. Played Corey in "Kidstructive Criticism" in 2011. Performed in "The Flipside" in 2012. Played Sherry Munch in "Ask a Slave" in 2013.
Corey Lay has: Played Basketball Player in "NCIS: Naval Criminal Investigative Service" in 2003. Played Cute Guy in "90210" in 2008. Played himself in "2009 MTV Movie Awards" in 2009. Played Ice Cream Vendor in "The Fresh Beat Band" in 2009. Played himself in "2010 MTV Movie Awards" in 2010.
Corey Webber has: Played Ripper in "Darkworld" in 2006. Played Warehouse Worker in "The Muppets" in 2011. Played Zombie Movie Goer in "Judy Moody and the Not Bummer Summer" in 2011. Played Volk in "Call of Duty: Modern Warfare 3" in 2011. Played New Orleans Pedestrian in "J. Edgar" in 2011.
Corey Walsh has: Played Various in "Something Else" in 2004. Played The Scarecrow in "Something Else" in 2004. Played Police Officer in "Something Else" in 2004. Played Man in "Something Else" in 2004. Played Ben in "Something Else" in 2004.
Max Landis has: Played Graffiti Artist in "The Stupids" in 1996. Played Ghostrider in "Blues Brothers 2000" in 1998. Played himself in "Working with a Master: John Landis" in 2006. Played himself in "Trailers from Hell" in 2008. Played Handsome Coachman in "Burke and Hare" in 2010. Performed in "Modern Romance" in 2010. Played himself in "The Death and Return of Superman" in 2011. Played himself in "sCare Foundation Halloween Launch Benefit" in 2012. Played himself in "Video Games: The Movie" in 2013.
Devin Corey has: Played Student in "Tuesdays with Morrie" in 1999. Played The Who Road Manager in "Almost Famous" in 2000. Played Pool Shark in "Love Her Madly" in 2000. Played Fighting Rocker in "Rock Star" in 2001. Played Reporter in "Lamb to the Slaughter" in 2002.