Luigi (voice)
Fred Kwan
Jeebs
Sam Farrell
"German"
Alexander Minion
Freddy Riedenschneider
Nelson Gittes
Bob Rosetti
Al
Dr. Trabulous
Sam LaRocca
Kevin Conway
Tommy Sanz
Arthur Kriticos
Agent Frank Haddad
Voltri, First Mate
Adrian Monk
Misha Vilyenkov
Psychiatrist
Mr. Roth
Fred (voice)
Jack
John Mack
Uncle Jocko
Sacco (Voice)
Paul's Doctor
Primo
Sam
Sheriff Andersen
George Sitkowski
Dr. Joseph Nassar
Mikhail Koltsov
Victor Kershaw
Seth Parker
Self
Cab Driver
Nahid
Yusuf
Narrator
Enrico Fermi
Jorge
Parking Violations Bureau Agent
Splinter (voice)
Roger Enrico
Adam Weller
Ben Geisler
Jason Schulman
George (deleted segment "Find Our Daughter")
Dr. Ralph Galen
Celeb Father
Mitch
Diego Giacometti
Tony Shalhoub
Buddy Walker
Airplane Passenger (uncredited)
Max Hires
Chess Club Member
Dr. Godin
Moss Hart / Barnett Hart / George S. Kaufman
Karnig Parnian
Phil
1969 Newsstand Vendor (uncredited)
Dr. Alvin
Eddie Reyes
Ian Stark
Antonio Scarpacci
Albert Shepley
Manu
Dr. Chester Ray Banton
Terrorist Leader
Taxi Cab Driver
Self - Guest
Frank Russo
Senator Red Wheatus
Alistair Pitt
Abe Weissman
Jerry Valentine (voice)
Jeebs (voice)
Adrian Monk / Self
Marvin (voice)