If there's ever an animated series based on this webcomic, these would be my personal choices for the characters' voices (Note: Some of these choices are just somewhat typecasting, but hey, to each his own):

• Mary McBell: Ashly Burch or Anna Akana

• Jessica Buckley/Fuchsia: Liliana Mumy, Ashley Tisdale, Dove Cameron, Haley Tju or Mae Whitman

• David/Bout: Zeno Robinson, Omar Benson Miller, Ian Jones-Quartey or Steven Yeun

• Morgan Lee/Agent Mustard: Alyson Court

• James/Agent Binky: Michael Dorn, James Earl Jones, Keith David, Beau Billingslea, Richard Epcar, Christopher Sabat, Troy Baker, Mark Hamill, Kevin Michael Richardson, Patrick Warburton, Phil LaMarr, Greg Eagles, Khary Payton, Anthony Anderson, Peter Macon, Avery Brooks, Dennis Haysbert, Coty Galloway or Ernie Hudson

• Agent Oats/Livewire: Ashleigh Ball

• Honeypot: Kat Graham, T'Keyah Crystal Keymáh or Ozioma Akagha

• Ragdoll: Avi Roque, Blu del Barrio, Asia Kate Dillon, Ceci Balagot or iris menas

• Ollie: Ben Schwartz, Greg Cipes or Jason Mewes

• PJ: Greg Cipes or Ben Schwartz

• Haystack: Michelle Creber

• Goth Clown: Carter Hayden

• Director Snowqueen: Yvette Nicole Brown, Debra Wilson, Wanda Sykes or Cree Summer

• Anesthesia: Tress MacNeille

• Cardigan: Grey DeLisle

• Bunsen: Kimberly Brooks, Diamond White, Masasa Moyo or Teala Dunn

• Zilch: Dee Bradley Baker

• Raspberry: Tom Kenny

• Dean Squeaky: Harry Shearer

• Coach: Beck Bennett, David Gasman or Jim Cummings (Voice Actor)

• Philip Stern: Jim Rash

• Judge Schneider and Ed: Phil LaMarr or Ernie Hudson

• Detective Soto: Sumalee Montano or Tara Platt

• Jake: Roger Craig Smith

• Sasha: Tara Strong

• Alexander Platt Sr.: Bryan Cranston

• Mayor Ben Burke: "Weird Al" Yankovic

• Gus Gilborn/Ringmaster: Travis Willingham or Troy Baker

• Strongman: Fred Tatasciore

• Diamidov and Alexander Platt Jr.: Yuri Lowenthal

• Pirouette: Kari Wahlgren

• Barry: Kevin Michael Richardson, James Monroe Iglehart, Juwan Crawley, Michael James Scott, Trevor Dion Nicholas or Major Attaway

• Margret "Maggie" Lee/Echo: Kimiko Glenn