Name	Known for
David Letterman Self - Host Self - Host See fewer	Late Show with David Letterman (1993)
John Goodman Self - Guest Self - Guest See fewer	10 Cloverfield Lane (2016)
Tommy Tiernan Self - Guest / Stand-up Comedian Self - Guest / Stand-up Comedian See fewer	Wolfwalkers (2020)
Mastodon Themselves - Musical Guest Themselves - Musical Guest See fewer	Bill & Ted Face the Music (2020)
Paul Shaffer Self - Musical Director Self - Musical Director See fewer	Hercules (1997)
Brann Dailor Self (as Mastodon) Self (as Mastodon) See fewer	The Big Short (2015)
Brent Hinds Self (as Mastodon) Self (as Mastodon) See fewer	The Big Short (2015)
Bill Kelliher Self (as Mastodon) Self (as Mastodon) See fewer	The Big Short (2015)
Troy Sanders Self (as Mastodon) Self (as Mastodon) See fewer	The Big Short (2015)
Jeff Altman Lt. Len Easton of the California Highway Patrol (voice) (uncredited) Lt. Len Easton of the California Highway Patrol (voice) (uncredited) See fewer	Bee Movie (2007)
Alan Kalter Self - Announcer (uncredited) Self - Announcer (uncredited) See fewer	Commander USA's Groovie Movies (1985)
Will Lee Self - Creepy Screamer (uncredited) Self - Creepy Screamer (uncredited) See fewer	Beethoven's 2nd (1993)