Suggestions by @mikeibbetson
15 suggestions
Martin Scorsese
as Director in Casino

Jason Mantzoukas
as Brusier Brody in The Iron Claw
Timothy Olyphant
as Roberto Ghillotti in Mafia (TV Show)

Larry Bird
as Themself in Uncut Gems (1980's)

Uncut Gems
as Best Movie Of All Time in Best & Worst Of Movies

Bradley Cooper
as Nicky Scarfo Jr in Scarfo

Cow (Cow & Chicken)
as Cow in Fictional ABC’s at the Zoo
Bernard Hill
as Phil Scarfo in Scarfo

Post Malone
as Tommy Pischedda in This Is Spinal Tap (2024)
Margot Robbie
as Elizabeth Russell in Betsy Unwrapped: The Untold Journey
John Cassavetes
as William King Hale in Killers Of the Flower Moon (2003)

Ashton Sanders
as RZA in Rapper's Biopic
Ray Romano
as Phil Leonetti in Scarfo
Harvey Keitel
as Angelo Bruno in Scarfo
Joe Pantoliano
as Nicky Scarfo in Scarfo