Omar Benson Miller
Bennet
Jay Baruchel
Dave Stutler
Alfred Molina
Maxim Horvath
Alice Krige
Morgana le Fay
Nicolas Cage
Balthazar Blake
Ian McShane
Narrator (voice)
Jake Cherry
Young Dave
Toby Kebbell
Drake Stone
Teresa Palmer
Becky Barnes
Monica Bellucci
Veronica Gorloisen
Parisa Fitz-Henley
Bennet's Girlfriend
Adriane Lenox
Ms. Algar
Robert Capron
Young Dave's Pal
Ethan Peck
Andre
Ian Alda
Physics Student
Jason R. Moore
Subway Mugger
Manish Dayal
NYU Clerk
Victor Cruz
Auto Impound Clerk
James A. Stephens
Merlin
Joe Lisi
Police Captain
Peyton List
Young Becky
Wai Ching Ho
Chinese Woman
Brandon Gill
Student in Bathroom
Henry Yuk
Chinese Dragon Carrier
Nicole Ehinger
Abigail Williams
Billy Anastasiou
NYC Pedestrian (uncredited)