EnglishSpencer Tracy as Henry Drummond
Fredric March as Matthew Harrison Brady
Gene Kelly as E K Hornbeck
Dick York as Bertram T Cates
Donna Anderson as Rachel Brown
Harry Morgan as Judge Mel
Claude Akins as Rev Jeremiah Brown
Elliott Reid as Prosecutor Tom Davenport
Paul Hartman as Deputy Horace Meeker (bailiff)
Philip Coolidge as Mayor Jason Carter
Jimmy Boyd as Howard (biology student)
Noah Beery Jr as John Stebbins
Florence Eldridge as Mrs Sarah Brady
Norman Fell as WGN Chicago Radio Broadcaster
Jack Daly as Eskimo Pie Vendor in Courtroom
Richard Deacon as Juror or court gallery
Lester Dorr as Doctor John
George Dunn as Banker (critic at city meeting)
Donald Elson as Bollinger
Renee Godfrey as Mrs Stebbins
Sam Harris as Courtroom Extra
Earle Hodgins as Dr Britton's Tonic Spieler with Chimp
Wendell Holmes as Undetermined Role
Frank Mills as Courtroom Extra
Robert Osterloh as Sam (deputy who arrests Cates)
Bob Perry as Courtroom Reporter
Gordon Polk as George Sillers (juror accepted)
'Snub' Pollard as Courtroom Extra
Hope Summers as Mrs Krebs (righteous townswoman)
Ray Teal as Jessie H Dunlap (farmer/juror excused)
Harry Tenbrook as Courtroom Extra
Charles Wagenheim as Hotel Clerk
Will Wright as Bible salesman