Suggestions by @bighero616

Spoiler

as Thanagar in Hawkwoman

Colin Firth

as Detective Chimp in Hawkwoman

Sebastian Stan

as Batman/Bruce Wayne in Hawkwoman

Zoe Saldaña

as Shiera Sanders/Hawkwoman in Hawkwoman

Manu Bennett

as Catar Hall/Hawkman in Hawkwoman

Yasmine Aker

as Chay-Ara in Hawkwoman

Zeeko Zaki

as Prince Khufu in Hawkwoman

Aldis Hodge

as Katar Hol in Hawkwoman

Jaimie Alexander

as Wonder Woman/Diana in Hawkwoman

Jenna Coleman

as Hawkwoman in Hawkwoman

Ed Helms

as Gentleman Ghost in Hawkwoman

Doctor Phosphorus

as Suits/Costumes in Special: Atom

Elongated Man

as Suits/Costumes in Special: Atom

The Atom (Ray Palmer)

as Suits/Costumes in Special: Atom

Paul Wesley

as Elongated Man in Special: Atom

Natalie Portman

as Jean Loring in Special: Atom

Mark Ruffalo

as Martin Stein in Special: Atom

Jude Law

as Doctor Phosphorus in Special: Atom

Tom Cavanagh

as Harrison Wells in Special: Atom

Andrew Garfield

as Atom in Special: Atom