Suggestions by @skytalk

Robin Guthrie

as Composer in Southland Tales (2016)

Gregg Araki

as Director in Southland Tales (2016)

Moby

as Composer in Southland Tales (2016)

Dean Norris

as Ambulance Driver in The Long Goodbye (2013)

Freddie Stroma

as Hood in Augustine's Office in The Long Goodbye (2013)

Domenick Lombardozzi

as Wade's Party Guest in The Long Goodbye (2013)

Rami Malek

as Bartender in The Long Goodbye (2013)

David Dastmalchian

as Dave "Socrates" in The Long Goodbye (2013)

Tim Blake Nelson

as Colony Guard in The Long Goodbye (2013)

Spike Jonze

as Riley in The Long Goodbye (2013)

Glenn Fleshler

as Det. Dayton in The Long Goodbye (2013)

Ntare Guma Mbaho Mwine

as Det. Green in The Long Goodbye (2013)

Kate Bosworth

as Rutanya Sweet in The Long Goodbye (2013)

Benjamin Bratt

as Jefe in The Long Goodbye (2013)

Luis Guzmán

as Doctor in The Long Goodbye (2013)

Scoot McNairy

as Morgan in The Long Goodbye (2013)

Adam Driver

as Terry Lennox in The Long Goodbye (2013)

Ben Whishaw

as Harry in The Long Goodbye (2013)

Tobey Maguire

as Dr. Verringer in The Long Goodbye (2013)

Ethan Hawke

as Marty Augustine in The Long Goodbye (2013)