- A.J. Buckley
- Aamir Khan
- Aaron Ashmore
- Aaron Díaz
- Aaron Eckhart
- Aaron Hill
- Aaron Jeffery
- Aaron Paul
- Aaron Taylor-Johnson
- Aaron Tveit
- Adam Brody
- Adam Butcher
- Adam Carolla
- Adam Copeland
- Adam DeVine
- Adam Driver
- Adam Godley
- Adam Goldberg
- Adam Jamal Craig
- Adam Montoya
- Adam Reed
- Adam Rodriguez
- Adam Sandler
- Adam Scott
- Adam Sevani
- Adam Shapiro
- Adan Canto
- Aden Young
- Adewale Akinnuoye-Agbaje
- Adrian Grenier
- Adrian Scarborough
- Adrien Brody
- Agim Kaba
- Aidan Gillen
- Aidan Quinn
- Aidan Turner
- Ajay Devgan
- Akshay Kumar
- Al Pacino
- Al Roker
- Alain Chabat
- Alain Delon
- Alain Uy
- Alain van Goethem
- Alan Alda
- Alan Autry
- Alan Cumming
- Alan Rickman
- Alan Ritchson
- Albert Daniels
- Albert Tsai
- Aldis Hodge
- Alec Baldwin
- Alex Burns
- Alex Carter
- Alex Jennings
- Alex Karpovsky
- Alex O’Loughlin
- Alex Pettyfyer
- Alex Russell
- Alex van Warmerdam
- Alex Weisman
- Alexa Vega
- Alexander Koch
- Alexander Ludwig
- Alexander Mazza
- Alexander Skarsgård
- Alexis Denisof
- Alfie Allen
- Alfonso Ribeiro
- Alfred Enoch
- Ali Fazal
- Alois Alexander Beyer
- Alonzo Bodden
- Aly Mawji
- Amanda Seyfried
- Amaury Nolasco
- Amin Joseph
- Amir Arison
- Amitabh Bachchan
- Amy Poehler
- Anatol Yusef
- Anders Holm
- Anderson Silva
- André 3000
- Andre Braugher
- André Leon Talley
- Andre Royo
- André van Duin
- Andreas Pietschmann
- Andrew Dice Clay
- Andrew Garfield
- Andrew Keenan-Bolger
- Andrew Lincoln
- Andrew Rannells
- Andrew Scott
- Andrew Stewart-Jones
- Andrew W. Walker
- Andy Daly
- Andy Dick