Suggestions by @amazonprince

Joseph Gordon-Levitt

as Timothy Hunter in DC Vertigo - The Books of Magic (1990)

Score: +1

Sheila Ferguson

as Bumblebee in The Other History of the DC Universe (1978)

Score: +1

Ray Vitte

as Mal Duncan in The Other History of the DC Universe (1978)

Score: +1

Sting

as Constantine in DC Vertigo - The Books of Magic (1990)

Score: +1

Dick Durock

as Swamp Thing in DC Black Orchid (1987)

Score: +1

Sting

as Constantine in DC Black Orchid (1987)

Score: +1

Elizabeth Berkley

as Black Orchid in DC Black Orchid (1987)

Score: +1

John Williams

as Composer in Justice League of America 1990s

Score: +2

James Cameron

as Writer in Justice League of America 1990s

Score: +2

Callie Khouri

as Writer in Justice League of America 1990s

Score: +2

Jane Campion

as Writer in Justice League of America 1990s

Score: +2

Amy Heckerling

as Writer in Justice League of America 1990s

Score: +3

Quentin Tarantino

as Writer in Justice League of America 1990s

Score: +2

Elizabeth Berkley

as Black Orchid in The Amazon

Score: +1

Elizabeth Berkley

as Black Orchid in Wonder Girl: Donna Troy (TV series)

Score: +1

Gail Kim

as Grace Choi in The Other History of the DC Universe (1978)

Score: +1

Tim Curry

as Sabbac in The Other History of the DC Universe (1978)

Score: +1

David Carradine

as First Question in The Other History of the DC Universe (1978)

Score: +1

Michelle Yeoh

as Lady Shiva in The Other History of the DC Universe (1978)

Score: +1

Trina McGee

as Thunder in The Other History of the DC Universe (1978)

Score: +1