Suggestions by @amarakirsch

Caity Lotz

as Sara Lance in Arrow rewrite

Score: +1

Colin Salmon

as Walter Steele in Arrow rewrite

Score: +1

Emily Bett Rickards

as Felicity Smoak in Arrow rewrite

Score: +1

Colton Haynes

as Roy Harper in Arrow rewrite

Score: +1

Willa Holland

as Thea (Mia-Dearden) Queen in Arrow rewrite

Score: +1

Alex Kingston

as Dinah Drake in Arrow rewrite

Score: -1

Michelle Pfeiffer

as Dinah Drake in Arrow rewrite

Score: +1

Colin Donnell

as Tommy Merlyn in Arrow rewrite

Score: +1

Paul Blackthorne

as Larry Lance (Quentin) in Arrow rewrite

Score: +1

John Barrowman

as Malcolm Merlyn in Arrow rewrite

Score: +1

Susanna Thompson

as Moira Queen in Arrow rewrite

Score: +1

David Ramsey

as John Diggle in Arrow rewrite

Score: +1

Katie Cassidy

as Dinah Lance (Laurel) in Arrow rewrite

Score: +1

Stephen Amell

as Oliver Queen in Arrow rewrite

Score: +1

David Ramsey

as John Diggle in My Arrowverse Rewrite

Score: +1

Katie Cassidy

as Dinah Laurel Lance in My Arrowverse Rewrite

Score: +1

Stephen Amell

as Oliver Queen in My Arrowverse Rewrite

Score: +1