Suggestions by @zarice2132

Helen Slater

as Eliza Danvers in Supergirl (Arrowverse)

Chris Wood

as Mon-El in Supergirl (Arrowverse)

Jeremy Jordan

as Winn Schott in Supergirl (Arrowverse)

Odette Annable

as Reign in Supergirl (Arrowverse)

Floriana Lima

as Maggie Sawyer in Supergirl (Arrowverse)

Calista Flockhart

as Cat Grant in Supergirl (Arrowverse)

Jesse Rath

as Querl Dox in Supergirl (Arrowverse)

Katie McGrath

as Lena Luthor in Supergirl (Arrowverse)

David Harewood

as J'onn J'onzz in Supergirl (Arrowverse)

Mehcad Brooks

as James Olsen in Supergirl (Arrowverse)

Chyler Leigh

as Alex Danvers in Supergirl (Arrowverse)

Melissa Benoist

as Kara Zor-El, Kara Danvers in Supergirl (Arrowverse)

Kiefer O'Reilly

as Jonas Hunter in Legends of Tomorrow (Arrowverse)

Adam Tsekhman

as Gary Green in Legends of Tomorrow (Arrowverse)

Tracy Ifeachor

as Kuasa in Vixen (Arrowverse)

Tracy Ifeachor

as Kuasa in Legends of Tomorrow (Arrowverse)

Matt Ryan

as John Constantine in Legends of Tomorrow (Arrowverse)

Courtney Ford

as Nora Darhk in Legends of Tomorrow (Arrowverse)

Jes Macallan

as Ava Sharpe in Legends of Tomorrow (Arrowverse)

Christina Brucato

as Lily Stein in Legends of Tomorrow (Arrowverse)