Aidan Quinn is an Irish-American actor. He made his film debut in 1984 in Reckless. His films include Desperately Seeking Susan, The Mission, Stakeout, Benny and Joon, Legends of the Fall, Frankenstein, and Michael Collins. He played the role of Captain Thomas "Tommy" Gregson in the CBS television series Elementary (2012–2019). Quinn has received two Primetime Emmy Award nominations for his work in An Early Frost (1985) and Bury My Heart at Wounded Knee (2007).
as Father MacGabbhan
as Barnet Rosset
as Theodore Parker (voice)
as Roger Laver
as Daniel
as Bruce
as Gabriel Robinson
as John Wilson
as Theodore Roosevelt
as Self (archive footage)
as Moody Burkhart
as Self (archive footage)
as Dermot
as Cameron Brogden
as Derek
as John
as Lieutenant Colonel Owens
as Matt Davidson
as Adem
as Sandy
as Thomas Gregson
as Henry Brown
as Martin B.
as Kevin Sweeney
as Charlie Wright
as William Rainsferd
as Richard Baker
as Ulysses S. Grant
as Steven Abbate
as Alec
as Narrator
as Prof. Porter
as Nicholas Holden
as Self - Host
as Professor George Oswald
as Gerry Moore
as Charlie Hamilton
as Jacob Reiser
as Matt Furey
as Frank Brennan
as Henry Dawes
as Kerry Max Cook
as Daniel Webster
as John Berry
as Henry
as CEO
as David Roby
as Frank Nitzche
as Detective Scofield
as Douglas Thomas
as Commodore Alfred Lind
as Joe F. Brown
as Clint Windsor
as Harry Vardon
as Tom Guthrie
as William Franklin
as Gen. Benedict Arnold
as Nick Barron
as Joe O'Malley
as Tom Bledsoe
as Jeremy Bell
as Miles Hendon
as Paul McCartney
as Brian
as Kieran O'Day
as Paul Cooper
as John Miller
as Ben Nicholson
as Burton Lowe
as Gary Hallet
as Henry Morton Stanley
as Annibal Ramirez / Carlos
as Seth Warner
as Self
as Harry Roland
as Richmond
as (segment "John Boorman")
as Prof. David Ash
as Don Day
as Alfred Ludlow
as Cap. Robert Walton
as Maurice Woulfe (voice)
as Various (voice)
as Detective John Hallstrom
as Benjamin 'Benny' Pearl
as Bob Finkbine
as Tom Casey
as Martin Quarrier
as James McEwan / Jonathan McEwan
as Jules Kaye
as Nick
as Frankie McGuinness
as Sam Paxton
as Crusoe
as Richard "Stick" Montgomery
as Chris Keller
as Felipe Mendoza
as Michael Pierson
as Dez
as Johnny Rourke
as Tom Guthrie
as Executive Producer
as Director