Spencer Tracy as Mike Conovan

Katharine Hepburn as Patricia "Pat" Pemberton

Aldo Ray as Davie Hucko

William Ching as Collier Weld

Sammy White as Barney Grau

George Mathews as Sylvester 'Spec' Cauley

Gussie Moran as Self

Babe Didrikson Zaharias as Self

Don Budge as Self

Alice Marble as Self

Frank Andrew Parker as Self

Betty Hicks as Self

Beverly Hanson as Self

Helen Dettweiler as Self

Loring Smith as Mr. E.H. Beminger

Phyllis Povah as Mrs. Beminger

Charles Bronson as Henry 'Hank' Tasling

Frank Richards as Sam Garsell

Jim Backus as Charles Barry

Chuck Connors as Police Captain

Joseph E. Bernard as Gibby

Owen McGiveney as Harry MacWade

Lou Lubin as Waiter

Carl Switzer as Bus Boy

William Self as Pat Pemberton's Caddy

John George as Tennis Match Spectator (uncredited)

Jerry Schumacher as Reporter (uncredited)

Steve Mitchell as Golf Official (uncredited)

Peter Adams as Colliers' Guest (uncredited)

JoAnne Aehle as Colliers' Guest (uncredited)

Joyce Aehle as Colliers' Guest (uncredited)

Fred Aldrich as Golf Spectator (uncredited)

Margaret Bert as Golf Spectator (uncredited)

John Bishop as Colliers' Guest (uncredited)

Jack Bonigul as Photographer (uncredited)

Stanley Briggs as Tennis Instructor (uncredited)

Paul Brinegar as Caddy (uncredited)

Morgan Brown as Tennis Match Spectator (uncredited)

Ross Carmichael as Photographer (uncredited)

Douglas Carter as Spectator (uncredited)

Bill Cartledge as Jockey (uncredited)

Russ Clark as Trooper (uncredited)

Mae Clarke as Golfer (uncredited)

John Close as Trooper (uncredited)

Fred Coby as Trooper (uncredited)

Harry Cody as Photographer (uncredited)

Tom Coleman as Waiter at Lindy's (uncredited)

Gene Coogan as Photographer (uncredited)

Paul Cristo as Golf Spectator (uncredited)

Oliver Cross as Restaurant Patron (uncredited)

Frank Cusack as Tournament Chairman (uncredited)

Elinor Cushingham as Tennis Player (uncredited)

Russell Custer as Tennis Match Spectator (uncredited)

Frankie Darro as Caddy (uncredited)

Roger Davis as (uncredited)

Kay Deslys as Shooting Gallery Proprietor (uncredited)

Maxine Doviat as Golf Contestant (uncredited)

Michael Dugan as Tennis Tournament Photographer (uncredited)

Ken DuMain as Tennis Match Spectator (uncredited)

Helen Eby-Rock as Golfer (uncredited)

Kay English as Reporter (uncredited)

Estelle Etterre as Colliers' Guest (uncredited)

John Fell as Man in Gallery (voice) (uncredited)

Tom Ferrandini as Tennis Linesman (uncredited)

Pat Flaherty as Golf Course Commentator (uncredited)

Charles Fogel as Train Passenger (uncredited)

Curt Furberg as Golf Spectator (uncredited)

Tom Gibson as Shooting Gallery Proprieteor (uncredited)

Jack Gordon as Diner Patron (uncredited)

Herschel Graham as Restaurant Patron (uncredited)

A. Cameron Grant as Reporter (uncredited)

Kit Guard as Golf Spectator (uncredited)

Robert Haines as Golf Spectator (uncredited)

Larry Harmon as Photographer (uncredited)

Tom Harmon as Sportscaster (uncredited)

Sam Hearn as Lawyer (uncredited)

Margaret Hedin as Tennis Tournament Photographer (uncredited)

Elizabeth Holmes as Golfer (uncredited)

Jimmie Horan as Tennis Match Spectator (uncredited)

Charles Anthony Hughes as Press Official (uncredited)

Chester Jones as Tennis Match Spectator (uncredited)

Jimmy Kelly as Caddy (uncredited)

Crauford Kent as Tennis Umpire (uncredited)

Donald Kerr as Photographer (uncredited)

Shirley Kimball as Colliers' Guest (uncredited)

Barbara Kimbrell as Tennis Player (uncredited)

Joseph La Cava as Waiter (uncredited)

Mike Lally as 18th Green Reporter (uncredited)

Bill Lewin as Reporter (uncredited)

John Marlin as Waiter (uncredited)

Louis Mason as Railway Conductor (uncredited)

John McKee as Photographer (uncredited)

Bill McLean as Caddy (uncredited)

Harold Miller as Tennis Match Spectator (uncredited)

King Mojave as Tennis Linesman (uncredited)

Roger Moore as Photographer (uncredited)

Charles Murray Jr. as Tennis Court Line Judge (uncredited)

Forbes Murray as Golf Official (uncredited)

Richard Neill as Tennis Match Spectator (uncredited)

Robert Nelson as Photographer (uncredited)

Barry Norton as Golf Spectator (uncredited)

Spec O'Donnell as Hicks' Caddy (uncredited)

Kathleen O'Malley as Golf Contestant (uncredited)

Gil Patric as Caddy (uncredited)

Jack Perrin as Reporter (uncredited)

Frank Pershing as Spectator (uncredited)

Sam Pierce as Reporter (uncredited)

Tom Quinn as Photographer (uncredited)

Fred Rapport as Tennis Match Spectator (uncredited)

John Raven as Photographer (uncredited)

Paula Raymond as Photographer at Tennis Tournament (uncredited)

Mitchell Rhein as Golf Spectator (uncredited)

Edward Rickard as Linesman (uncredited)

John Rogers as Photographer (uncredited)

Tanya Samova as Golf Contestant (uncredited)

Scott Seaton as Tennis Match Spectator (uncredited)

Bernard Sell as Restaurant Patron (uncredited)

Sammy Shack as Caddy (uncredited)

John Sheehan as Golf Tournament Player-Announcer (uncredited)

Mabel Smaney as Golf Spectator (uncredited)

J. Lewis Smith as Photographer (uncredited)

Jane Stanton as Tennis Player (uncredited)

Bert Stevens as Restaurant Patron (uncredited)

Brick Sullivan as Reporter (uncredited)

Frank Sully as Photographer (uncredited)

Anthony M. Taylor as Undetermined Secondary Role (uncredited)

Bobby Walberg as Young Boy (uncredited)

Hank Weaver as Commentator (uncredited)

Wilson Wood as Spectator (uncredited)