Name	Known for
James Roday Rodriguez Shawn Spencer (as James Roday) Shawn Spencer (as James Roday) See fewer	Psych (2006)
Dulé Hill Burton Guster Burton Guster See fewer	Psych (2006)
Timothy Omundson Carlton Lassiter Carlton Lassiter See fewer	Mission: Impossible III (2006)
Maggie Lawson Juliet O'Hara Juliet O'Hara See fewer	Gamer (2009)
Kirsten Nelson Karen Vick (credit only) Karen Vick (credit only) See fewer	Psych (2006)
Corbin Bernsen Henry Spencer Henry Spencer See fewer	Kiss Kiss Bang Bang (2005)
Martin Mull Highway Harry Highway Harry See fewer	Clue (1985)
Lesley Ann Warren Leslie Leslie See fewer	Victor/Victoria (1982)
Steve Valentine Billy Lips Billy Lips See fewer	Monster High 2 (2023)
Garrett Morris Clizby Clizby See fewer	Coneheads (1993)
Christopher Lloyd Martin Kahn Martin Kahn See fewer	Back to the Future (1985)
Curt Smith Self Self See fewer	Donnie Darko (2001)
Scott McNeil Rip Rip See fewer	Scooby-Doo 2: Monsters Unleashed (2004)
Jacqueline Breakwell Singing Telegram Girl Singing Telegram Girl See fewer	Noah 2: Go Forth and Multiply (2014)
Michelle Jeanpierre Melinda Melinda See fewer	The Cabin in the Woods (2011)
Olena Medwid Billy Lip's Girlfriend (as a different name) Billy Lip's Girlfriend (as a different name) See fewer	Death Note (I) (2017)