Suggestions by @spence

Sofia Wylie

as Starfire in The Perfect DC Universe

Shamier Anderson

as Green Lantern II in The Perfect DC Universe

Bill Hader

as Onomatopoeia in Green Arrow (DCU)

Bill Burr

as Boston Brand in Green Arrow (DCU)

Max Riemelt

as Count Vertigo in Green Arrow (DCU)

Sonoya Mizuno

as MEDUSA in Fancasting

Austin Butler

as EROS in Fancasting

Samara Weaving

as NEMESIS in Fancasting

Winston Duke

as POSEIDON in Fancasting

Cillian Murphy

as HAIDES in Fancasting

Javier Bardem

as HEPHAISTOS in Fancasting

Nick Robinson

as DIONYSOS in Fancasting

Isla Fisher

as DEMETER in Fancasting

Khalid

as APOLLON in Fancasting

The Weeknd

as APOLLON in Fancasting

Scott Eastwood

as ARES in Fancasting

Gemma Chan

as ATHENE in Fancasting

Uma Thurman

as HERA in Fancasting

Josh Brolin

as ZEUS in Fancasting

Helena Bonham Carter

as HESTIA in Fancasting