Joseph Finley
Hume Blake Cronyn Jr. OC (July 18, 1911 – June 15, 2003) was a Canadian-American actor and writer. Description above from the Wikipedia article Hume Cronyn, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Joseph Finley
Rupert Horn
Joe Finley
Frank Riley
Mr. Fields
Herbie Hawkins
Prof. Rodney Elwell
Sosigenes
Juror 9
Arthur Keats
Dudley Whinner
Marvin Wakefield
Stanley "Sparks" Garrett
Capt. Munsey
Dr. Carr
Gerard
James F. Byrnes
Maxwell Emery
Old Sonny Sutton
Bill Rintels
Arthur Houghton
Grandpa (voice)
Louis Howe
Sam Clausner
Saint Nick
Professor Carmichael
Dr. J. Robert Oppenheimer
Paul Roeder
Ewald
Keller
Mr. John McRae
Papa Leckie
John McGrath
Robert Samuel Peek
Tim Grogan
Hector Nations
Hughie Devine
John Phineas McPherson
Cleveland Meriwether
Self
John Cooper
Freddie Potts
John Webb
Skeffington
Justice Rosenberg
George Heath
Weller Martin
Restaurant Patron (uncredited)
Krogstad
Dinner Party Guest (Voice)
Monty (segment "A Sweepstakes Ticket")
Sherm
Dirk Stroeve
Himself
Lewis Avery Filer
Professor Henry J. Fallon
Ben Hecht
Ralph Whitemore
Nils Krogstad
Henry Daw
Wilbur Meeler
Reverend Mr. Muldoon
Dr. Violet
Hap Martin
Charles King
Ben Marriott
Henry Goodens
Benedict Arnold Brummel
Narrator (voice)
Fitzhugh Oldham
Mr. Moore
Ellis Davenport
Hector
Pop Thatcher
Uncle Pio
Sig
Ben Marriott
Self - Actor and Friend