Gerard Butler

as Mr. P

as Riley Wolfe

as Rhett Westermark

as Russian Gymnast Fan

as Michael Rafter

as Mike Banning

as King Kula (voice)

as Nicholas 'Big Nick' O'Brien

as Stoick

as Louie / Pope Bonifacio

as Self - Very Famous Actor

as John Garrity

as Stoick

as Self

as Nicholas 'Big Nick' O'Brien

as St. Nick (voice)

as Gaius Marcellus Nerva (voice)(14 eps)

as Tom Harris

as Brodie Torrance

as Self - Guest(1 ep)

as Will Spann

as Bob Viddick

as John Garrity

as Self(1 ep)

as Stoick (voice)

as Mike Banning

as James

as Stoick (voice)

as Self (archive footage)(1 ep)

as Captain Joe Glass

as 'Big Nick' O'Brien

as Jake Lawson

as Self(1 ep)

as Dane Jensen

as Mike Banning

as Set

as Self(1 ep)

as Stoick (voice)

as Self(3 eps)

as Self(1 ep)

as Self

as King Leonidas(1 ep)

as Mike Banning

as Leprechaun 1 & 2 (segment "Happy Birthday")

as George

as Frosty Hesson

as (archive footage)

as Stoick the Vast (voice)

as Sam Childers

as Tullus Aufidius

as Stoick (voice)

as Stoick (voice)

as Milo Boyd

as Clyde Alexander Shelton

as Self(1 ep)

as Self(2 eps)

as Kable

as Mike Chadway

as Self - Guest(1 ep)

as The Mariner (voice)

as One-Two

as Jack Rusoe / Alex Rover

as Gerry

as Peter

as Neil Randall

as Self

as King Leonidas

as Self(3 eps)

as Beowulf

as Prefect Cassius Chaerea

as Frank Borghi

as Self(1 ep)

as The Phantom

as The Stranger

as Andre Marek

as Self(2 eps)

as Terry Sheridan

as Self - Guest(1 ep)

as Self - Mean Tweets(1 ep)

as Creedy

as Self(1 ep)

as Johnnie Donne(6 eps)

as Jackie Junior

as Captain Charles Belamy

as Peter (as Gerry Butler)

as Attila the Hun(2 eps)

as Atila the Hun

as Dracula

as Chris Kumac

as Gus(16 eps)

as Sam

as Yasha

as Marty Claymore(6 eps)

as Jacko

as Burke

as Peter

as HMS Devonshire Leading Seaman

as Tim Bolton(1 ep)

as Self(1 ep)

as Archie Brown

as Self - Guest(1 ep)

as Self(1 ep)

as Self(2 eps)

as Self - Clue Presenter(1 ep)

as Self(1 ep)

as Self(1 ep)

as Self - Host(1 ep)