Suggestions by @whateveriwant00

Jack Black

as Ares in Hercules

Frank Welker

as Pegasus in Hercules

Chiwetel Ejiofor

as Apollo in Hercules

Christopher Lloyd

as Elderly Old Man in Hercules

Dave Bautista

as Tall Fat Man in Hercules

Willem Dafoe

as Burnt Man with singed hair in Hercules

Tilda Swinton

as Earthquake Thin Woman in Hercules

Andy Serkis

as Stratos (Wind Titan) in Hercules

Tom Hardy

as Pyros (Fire Titan) in Hercules

Idris Elba

as Hydros (Ice Titan) in Hercules

Vin Diesel

as Lythos (Rock Titan) in Hercules

Chrissy Metz

as Heavyset Lumpy Woman in Hercules

James Corden

as Demetrius in Hercules

Dwayne Johnson

as Nessus in Hercules

RuPaul

as Hermes in Hercules

Angela Bassett

as Clotho in Hercules

Helen Mirren

as Lachesis in Hercules

Imelda Staunton

as Atropos in Hercules

Russel Crowe

as Cyclops in Hercules

Josh Brolin

as Amphitryon in Hercules