McNulty was born in Penticton, British Columbia, Canada. He has acted on three aviation movies: Falling from the Sky: Flight 174 with William Devane,Final Descent with Robert Urich and Snakes on a Plane with Samuel L. Jackson. He had a supporting role to Roger Moore and Nancy Allen in Bill Condon'sThe Man Who Wouldn't Die (1995). McNulty also appeared in the 2009 remake of The Uninvited where he worked alongside A Series of Unfortunate Events' Emily Browning. He also played The Reverend Roy Le Grange in the "Supernatural" TV episode "Faith"
Nightwatching
Engelen
Mother, May I Sleep with Danger?
The Seamstress
Collier Gatier
Toxic Skies
Mayor Jim Tanner
Timecop
Parker
Fantastic Four
Jimmy O'Hoolihan
John Tucker Must Die
Basketball Coach
The Invisible
Principal Whitcliff
Spectacular!
Uncle Sam
Silent Motive
Cop
The NeverEnding Story III
Barney Bux
Code Name: The Cleaner
Doctor Soames
The Uninvited
Sheriff Emery
Stealing Sinatra
James Mahoney
Quarantine
John, CIA Director
Final Descent
Henry Gibbons
Anna's Storm
Tad Wingate
Meteor Storm
Général Brock
Freefall: Flight 174
Larry Roberts
Bingo
Network Boss
Fatal Kiss
Daniel Nash
For the Love of Nancy
George Sabbath
Three Weeks, Three Kids
Russell Mills
Firestorm: Last Stand at Yellowstone
Malcolm Levine
H.E. Double Hockey Sticks
Annapolis Angels Coach
The Arrangement
Agent Dackhouse
Do You Know Me
Joe Prescott
Bird on a Wire
Brad
Family Sins
Kenneth Geck
Shoot to Kill
San Francisco Policeman
Blackmail
Herb Grayson
The Man Upstairs
Interrogator
The Dog - A Rapidly Condensed Guide to Treading Water
The Underwriter
Beauty's Revenge
Minister
Trial By Fire: A North of 60 Mystery
Warren Vaughn
Last Wedding
A Champion's Fight
Hal Baylor
Deadly Intentions... Again?
Dr. Uttley
Navigating the Heart
Jack Stanton
Silencing Mary
Tom Stuartson
I Love You Perfect
Pete
Max Q: Emergency Landing
Oz Gilbert
Tricks
Henry
An Unexpected Life
Goldani
Short Time
Dr. Drexler
Mask of Death
Mickelson
Maternal Instincts
Dr. Joe Reilly
Strange Frequency²
Ross Van Horn (segment 'Don't Stop Believin'')
When the Vows Break
Joe Rand
Broken Trust
Judge Dwight Peatling
And the Sea Will Tell
Shoemaker
The Color of Courage
Thompson
Fatal Memories
Orly Chambers
Just One of the Girls
Louis Calder
The Sports Pages
Special Delivery
Fred Anders
Sight Unseen
Detective Mike Corland
Firefighter
Firefighter Stranan
Lowlifes
Neville
In the Doghouse
Lee Goldberg
Bob the Butler
Tardy Man
Ábreme
Immigration Officer
Miracle on the Mountain: The Kincaid Family Story
Dave, Airfield Official
Reefer Madness: The Movie Musical
Mayor Harris MacDonald
Attendance
Mr Calavelli
Tulips in Spring
Frank Newell
Fantastic Four: Rise of the Silver Surfer
Baxter Building Doorman
Door to Door
President of Watkins
The Accused
Plea Bargain Lawyer
Disaster Zone: Volcano in New York
Neil Kavanagh
Generation X
Ralston
Alibi
Atty. Hendricks
Past Sins
Dale Beckman
Abduction of Innocence
D.A. Davis
Wish Upon a Christmas
Mr. Tomte
My Name Is Kate
Lecturer
Other Women's Children
Frank Blake
A Child's Wish
Robbie
Convictions
Marshall Link
Intersection
Developer
Live Bait
Watchmen
News Anchor
Excited
When Friendship Kills
Ted, Kathryn's Boss
When a Stranger Calls Back
Dr. Schifrin
Narrow Margin
James Dahlbeck
Kingsway
Saving Milly
Sheldon Adler
Bottled with Love
Earl Everson
Daughter for Sale
Judge Smith
Love and Treason
Director Horvath
The Man Who Wouldn't Die
Curruthers
Impolite
Weinfield
Greenmail
Albert Torsfeld
Gunfighter's Moon
Mayor Petersen
Mom's Day Away
Don Holland
Snakes on a Plane
Emmett Bradley
Beauty
Dr. Braedon
Liar, Liar
Reimer
Donovan's Echo
Dean Belton
Fighting for My Daughter
Sergeant Burnett
Stay Tuned
Prisoner in "30 Something to Life"
The Advocate's Devil
L.A. Law: The Movie
Max Bettencart
Night Visitors
Detective
Snowbound: The Jim and Jennifer Stolpa Story
Joe Tirado
Kitchen Party
Brent
A Date with Darkness: The Trial and Capture of Andrew Luster
Judge Riley
Final Appeal
Blankenship
Spot Marks the X
Shelter Worker
R.L. Stine's Pumpkinhead
Farmer Palmer
The 6th Man
Referee
Anatomy of a Hate Crime
Carl Manzani