Bruce Willis and Curtis Armstrong in Moonlighting (1985)

Curtis Armstrong and Allyce Beasley in Moonlighting (1985)

Curtis Armstrong and Tahmoh Penikett in Supernatural (2005)

Jensen Ackles, Curtis Armstrong, and Jared Padalecki in Supernatural (2005)

Jensen Ackles, Curtis Armstrong, Misha Collins, and Jared Padalecki in Supernatural (2005)

Curtis Armstrong and Zooey Deschanel in New Girl (2011)

Curtis Armstrong and Jared Padalecki in Supernatural (2005)

Curtis Armstrong and Amanda Tapping in Supernatural (2005)

Curtis Armstrong and Misha Collins in Supernatural (2005)

Curtis Armstrong in Route 30, Too! (2012)

Curtis Armstrong and Richard Schiff in Ray (2004)

Curtis Armstrong, Zooey Deschanel, Becky Thyre, Nelson Franklin, and Rob Yang in New Girl (2011)

Curtis Armstrong, Zooey Deschanel, Max Greenfield, Becky Thyre, Nelson Franklin, Hannah Simone, and Rob Yang in New Girl (2011)

Curtis Armstrong, Zooey Deschanel, Max Greenfield, Nelson Franklin, Nasim Pedrad, Hannah Simone, and Lamorne Morris in New Girl (2011)

Robert Carradine and Curtis Armstrong in King of the Nerds (2013)

Curtis Armstrong at an event for The 67th Primetime Emmy Awards (2015)

Curtis Armstrong at an event for Van Wilder (2002)

Robert Carradine, Courtney Thorne-Smith, Curtis Armstrong, Timothy Busfield, Andrew Cassese, and Larry B. Scott in Revenge of the Nerds II: Nerds in Paradise (1987)

Robert Carradine, Curtis Armstrong, Larry B. Scott, and Brian Tochi in Revenge of the Nerds IV: Nerds in Love (1994)

Dana Delany, Robert Romanus, Curtis Armstrong, David Cowgill, David DeLuise, Christine Elise, Kevin Rahm, Lee Wilkof, and Nat Boltt in Route 30 (2007)

Anthony Edwards, Robert Carradine, Curtis Armstrong, Timothy Busfield, Andrew Cassese, Julia Montgomery, and Larry B. Scott in Revenge of the Nerds (1984)

Robert Carradine, Corinne Bohrer, and Curtis Armstrong in Revenge of the Nerds IV: Nerds in Love (1994)