Suggestions by @masterofcool

Michael Kamen

as Composer in Green Lantern III (2001)

Parallax

as "Destiny has Arrived!" in Green Lantern III (2001)

Spoiler

as "Destiny has Arrived!" in Green Lantern III (2001)

John Hurt

as Tomar-Re in Green Lantern III (2001)

BD Wong

as Thomas Kalmaku in Green Lantern III (2001)

Jennifer Jason Leigh

as Carol Ferris in Green Lantern III (2001)

Robbie Coltrane

as Solomon Grundy in Green Lantern III (2001)

Armand Assante

as Nekron in Green Lantern III (2001)

Colin Farrell

as Green Lantern IV in Green Lantern III (2001)

Brad Pitt

as Green Lantern III in Green Lantern III (2001)

Samuel L. Jackson

as Green Lantern II in Green Lantern III (2001)

Bruce Willis

as Green Lantern I in Green Lantern III (2001)

John McTiernan

as Director in Green Lantern III (2001)

Evan Rachel Wood

as Young Harleen Quinzel in Suicide Squad (2001)

Hans Zimmer

as Composer in Suicide Squad (2001)

Shane Black

as Writer in Suicide Squad (2001)

Joel Silver

as Producer in Suicide Squad (2001)

Joel Schumacher

as Director in Suicide Squad (2001)

Universal Pictures

as Production Company in Suicide Squad (2001)

Warner Bros. Pictures

as Production Company in Suicide Squad (2001)