Here is an ever-growing list of every project Mark has ever done

Cub Scout A & Cub Scout B - Cub Scout B
Raggedy Ann & Andy - Andy
Amahl & The Night Visitors - King Melchoir
Annie Get Your Gun - Engineer
Fiddler On The Roof - Mendel
Greater Tuna - Various
Theatre Tonight - Reader's Theatre
Brigadoon - Ensemble
Sweet Charity - Oscar
Cinderella - Footman
A Thurber's Carnival - Various
Man of LaMancha - The Barber
The Roar of the Greasepaint, Smell of the Crowd - Sir
You're a Good Man, Charlie Brown - Charlie Brown
Black Comedy - Delivery Guy
Little Shop of Horrors - Voice of Audrey II
The King & I - Ensemble
Evita - Secret Policeman/Aristocrat
The Wizard of Oz - Cowardly Lion
The Matchmaker - Sextet
Dig 'N Tel - Mayor
Macbeth - Murder/Thane
The Miss Firecracker Contest - Belmont
A Little Night Music - Frid
Godspell (Tennessee) - Jesus
West Side Story - Office Krupke
Butterflies Are Free - Don Baker
Godspell (Texas) - Jesus
The Foreigner - Owen Musser
Pajama Game - Ensemble
Fiddler On The Roof - Lazar Wolfe
Oliver - Bill Sykes
Chicago - Roxy Boy/Ensemble/Judge
South Pacific - Buzz
Hello Dolly - Ensemble
Paint Your Wagon - Ben
City of Angels - Stine
Lucky Lady - Soloist
Voyages of Discovery - Emcee/Host
     The Sky - Emcee
     The Sea - Emcee
     The Ships - Emcee
     Pirate's Feud - Pirate Pete & Emcee
First Wives Club -  Broadway Audience
Disney Dreams - The Beast
Voyage of the Ghost Ship - Iccy/The King
Island Magic - Captain Hook
Hercules The Muse-ical - Ensemble
Shenandoah - Tinkham/Engineer
Finishing Adam - Ergo
A Beautiful Mind - Military Policeman (Pentagon)
Law & Order SVU - John
Sex & the City - Waiter
Salem Justice - Rev Parris
Biloxi Blues - Wykowski
Strange Snow - Meggs
Mass Appeal - Mark Dolson
Life - Detective
Elegy For a Revolutionary - Bartender
Painkiller - Prisoner
The Jump - Bill
The Christmas Special - Angry Guy
Where The Bears Are - Jeremy
Motherlover - Wedding Guest
The Web - Hacker
Modern Family - Bear
Me Him Her - Kissing Guy
Two Broke Girls - Diner Patron
The Crazy Ones - Karaoke Bar Guy
Prairie-okie - Pa
I Totally Know What You Did Last Donna Summer - Sheriff Haskins
Untitled Clay Weiner Short - Comedy Club Patron
Unusual Suspects - Detective Briglia
Scandal - Janitor
Ray Donovan - Kevin
Catfish Moon - Gordon
Dad - Ideal Home