Michael Keaton
Jack Frost
Kelly Preston
Gabby Frost
Mark Addy
Mac MacArthur
Joseph Cross
Charlie Frost
Henry Rollins
Sid Gronic
Mika Boorem
Natalie
Andrew Lawrence
Tuck Gronic
Eli Marienthal
Spencer
Will Rothhaar
Dennis
Taylor Handley
Rory Buck
Paul F. Tompkins
Audience Member
Dweezil Zappa
John Kaplan
Jay Johnston
TV Weatherman
Googy Gress
Spencer's Dad
Wayne Federman
Policeman Dave
Trevor Rabin
Trevor (Lead Guitar)
Benjamin Brock
Alexander
Joe Rokicki
Mitch
Cameron Ferre
Pudge
Ahmet Zappa
Snowplow Driver
Steve Giannelli
Referee
Jeff Cesario
Radio Announcer
Scott Thomson
Dennis' Dad
Scott Kraft
Natalie's Dad
Jimmy Michaels
Devil's Goalie
Ajai Sanders
Interviewer
John Ennis
Truck Driver
Golden Henning
Bank Customer
Pat Crawford Brown
Scorekeeper
Mr. Chips
Chester The Dog
Denise Cheshire
In Suit Performer
Bruce Lanoil
In Suit Performer
Lili Haydn
Lili (Violin)
Louis Molino III
Lou (Drummer)
Scott Colomby
Scott (Bass)
Nakia Burrise
Bank customer (uncredited)
Mike Butters
Devil's Coach (uncredited)
Rich Knight
Club Goer (uncredited)
Jazzie Mahannah
Featured (uncredited)
Rusty Nelson
School Teacher (uncredited)
Jennifer Robertson
Brooke (uncredited)
Moon Unit Zappa
School Teacher (uncredited)