查尔顿·赫斯顿
Charlton Heston
饰：布兰登 Brad Braden
贝蒂·赫顿
Betty Hutton
饰：霍莉 Holly
詹姆斯·史都华
James Stewart
饰：小丑伯顿斯 'Buttons' A Clown
多萝西·拉莫尔
Dorothy Lamour
饰：菲利斯 Phyllis
格洛丽亚·格雷厄姆
Gloria Grahame
饰：安吉尔 Angel
亨利·威尔克松
Henry Wilcoxon
饰：FBI探员 FBI Agent Gregory
劳伦斯·蒂尔尼
Lawrence Tierney
饰：海德森先生 Mr. Henderson
埃尔维利·阿尔德森
Erville Alderson
饰：Spectator (uncredited)
奥利弗·布莱克
Oliver Blake
饰：Spectator (uncredited)
威廉·博伊德
William Boyd
饰：Hopalong Cassidy (uncredited)
Paul E. Burns
饰：Spectator (uncredited)
莱恩·钱德勒
Lane Chandler
饰：Dave (uncredited)
戴维森·克拉克
George Davison Clark
饰：Farmer Sam (uncredited)
Jefferson Pascal
Jefferson Pascal
饰：The Great Sebastian
莱尔·贝特格
Lyle Bettger
饰：Klaus
Emmett Kelly
饰：Himself
Cucciola
饰：Himself
Antoinette Concello
饰：Herself
John Ringling North
饰：Himself
Tuffy Genders
饰：Himself
约翰·凯洛格
John Kellogg
饰：Harry
约翰·里德格利
John Ridgely
饰：Assistant manager
弗兰克·维尔考克斯
Frank Wilcox
饰：Circus doctor
Lillian Albertson
饰：Buttons' mother
茱莉亚·法耶
Julia Faye
饰：Birdie
Lou Jacobs
饰：Himself (clown)
The Alzanas
饰：Themselves
Trisco
饰：Himself
The Flying Artonys
饰：Themselves
Lilo Juston
饰：Herself
The Chaludis
饰：Themselves
The Idnavis
饰：Themselves
The Realles
饰：Themselves
The Fredonias
The Fredonias
饰：Themselves
Luciana & Friedel
饰：Themselves
Buzzy Potts
饰：Himself
Ernie Burch
饰：Himself
Felix Adler
饰：Himself
Paul Jerome
饰：Himself
Miss Patricia
饰：Herself
Eddie Kohl
饰：Himself
Tiebor's Sea Lions
饰：Themselves
Mroczkowski's Liberty Horses
饰：Themselves
The Zoppes
饰：Themselves
Bones Brown
饰：Himself
Fay Alexander
饰：Himself
The Flying Concellos
饰：Themselves
Lola Dobritch
饰：Herself
The Henadas
饰：Themselves
Christy and Gorilla
饰：Themselves (as Christy & Gorilla)
Tonito
Tonito
饰：Himself
The Bokaras
饰：Themselves
Prince Paul
饰：Himself
Jimmy Armstrong
饰：Himself
Paul Horompo
饰：Himself
Paul Jung
饰：Himself
Charley Bell
饰：Himself
Gilbert Reichert
饰：Himself
C.H. Lindsey
饰：Himself
Peterson's Dogs
饰：Themselves
Rix's Bears
饰：Themselves
Arthur Burson
饰：Himself
La Norma
饰：Herself
Jeanne Sleeter
饰：Herself
Bill Snyder
饰：Himself
The Flying Comets
饰：Themselves
Veronica Martell
饰：Herself
Miss Loni
饰：Herself
The Romigs
饰：Themselves
Rusty Parent
饰：Himself
The Maxellos
饰：Themselves
Martha Hunter
饰：Herself
Truzzi
饰：Himself
Eugene Scott
饰：Himself
James Barnes
饰：Himself
Merle Evans
饰：Himself (circus bandleader)
Frank McClosky
饰：Himself
Mike Petrillo
饰：Himself
Peter Grace
饰：Himself
Bob Reynolds
饰：Himself
George Werner
饰：Himself
李·阿克
Lee Aaker
饰：Little Boy Spectator (uncredited)
多萝西·亚当斯
Dorothy Adams
饰：Sam's Wife (uncredited)
Eric Alden
Eric Alden
饰：Canvas Man (uncredited)
斯坦利·安德鲁斯
Stanley Andrews
饰：Spectator (uncredited)
罗斯·巴格达萨里安
Ross Bagdasarian
饰：Spectator (uncredited)
Vicki Bakken
饰：Vicki (uncredited)
Mary Bezemes
饰：Minor Role (uncredited)
格拉迪丝·布莱克
Gladys Blake
饰：Spectator (uncredited)
亚瑟·Q·布莱恩
Arthur Q. Bryan
饰：Spectator (uncredited)
鲍比·伯恩斯
Bobby Burns
饰：Spectator (uncredited)
Lonnie Burr
饰：Little Boy Spectator (uncredited)
Bruce Cameron
饰：Bruce (uncredited)
Charles D. Campbell
饰：Spectator (uncredited)
Malcolm Cassell
饰：Little Boy Spectator (uncredited)
Iphigenie Castiglioni
饰：Herself (uncredited)
肯·克里斯蒂
饰：Tightrope Act Spectator (uncredited)
Lydia Clarke
Lydia Marie Clarke
饰：Circus Girl (uncredited)
Rus Conklin
饰：Rus (uncredited)
Gerald Courtemarche
饰：Little Boy Spectator (uncredited)
约翰·克劳福德
John Crawford
饰：Jack - Circus Attendant (uncredited)
Dorothy Crider
饰：Dorothy (uncredited)
平·克劳斯贝
Bing Crosby
饰：Spectator (uncredited)
Bobby Diamond
Bobby Diamond
饰：Little Boy Spectator (uncredited)
Gloria Drew
饰：Ann (uncredited)
吉米·邓迪
Jimmie Dundee
饰：Utility Man,Stake Driver (uncredited)
Claude Dunkin
饰：Claude (uncredited)
Don Dunning
饰：Spectator (uncredited)
Rosemary Dvorak
饰：Rosemary (uncredited)
Bonnie Kay Eddy
饰：Little Girl Spectator (uncredited)
富兰克林·法纳姆
Franklyn Farnum
饰：Spectator (uncredited)
玛丽·菲尔德
Mary Field
饰：Spectator (uncredited)
Norman Field
饰：Truesdale (uncredited)
莫娜·弗里曼
Mona Freeman
饰：Spectator (uncredited)
Gerry Ganzer
Gerry Ganzer
饰：Spectator (uncredited)
南茜·盖茨
Nancy Gates
饰：Spectator (uncredited)
Slim Gaut
饰：Circus Man (uncredited)
埃弗雷特格拉斯
Everett Glass
饰：Board member (uncredited)
格瑞塔·格兰斯泰德
Greta Irene Granstedt
饰：Spectator (uncredited)
Linda Green
饰：Little Girl Spectator (uncredited)
Dolores Hall
饰：Circus Girl (uncredited)
Scott H. Hall
饰：Spectator (uncredited)
威廉·霍尔
William Hall
饰：Bill (uncredited)
John Hamer
饰：Little Boy Spectator (uncredited)
Chuck Hamilton
Chuck Hamilton
饰：Ambulance Driver (uncredited)
彼得·汉森
Peter Hansen
饰：Spectator (uncredited)
夏密安·哈克
Charmienne Harker
饰：Charmienne (uncredited)
Joe Harper
饰：Little Boy Spectator (uncredited)
Kathleen Hartnagel
饰：Little Girl Spectator (uncredited)
Helene Hatch
饰：Spectator (uncredited)
Bradford Hatton
饰：Osborne (uncredited)
吉米·霍金斯
Jimmy Hawkins
饰：Little Boy Spectator (uncredited)
Bill Henry
饰：Little Boy Spectator (uncredited)
Paula Hill
饰：Spectator (uncredited)
费伊·霍尔德内斯
Fay Holderness
饰：Spectator (uncredited)
Jerry James
饰：Spectator (uncredited)
Adele Cook Johnson
饰：Mable (uncredited)
范·强生
Van Johnson
饰：Spectator (uncredited) (unconfirmed)
Lorna Jordon
饰：Lorna (uncredited)
Frances Karath
饰：Little Girl Spectator (uncredited)
Mona Knox
饰：Mona (uncredited)
小弗雷德·科勒
Fred Kohler Jr.
饰：Train Fireman (uncredited)
伊桑·莱德劳
Ethan Laidlaw
饰：Hank (uncredited)
Rudy Lee
饰：Little Boy Spectator (uncredited)
Herbert Lytton
饰：Foreman (uncredited)
乔治·麦格瑞
George Magrill
饰：Circus Man (uncredited)
安托尼∙马迟
饰：Tony (uncredited)
Sydney Mason
饰：Carson (uncredited)
Gay McEldowney
饰：Gay (uncredited)
Peggy McKim
饰：Little Girl Spectator (uncredited)
James McNally
饰：Spectator (uncredited)
Bill Meader
Bill Meader
饰：Spectator (uncredited)
Frank Meredith
饰：Train Engineer (uncredited)
Gertrude Messinger
饰：Gertrude (uncredited)
Patricia Michon
Patricia Michon
饰：Patricia (uncredited)
Royce Milne
饰：Little Girl Spectator (uncredited)
Beverly Mook
饰：Little Girl Spectator (uncredited)
Lyle Moraine
饰：Spectator (uncredited)
霍华德·尼格利
Howard Negley
饰：Truck boss (uncredited)
奥托拉内史密斯
Ottola Nesmith
饰：Spectator (uncredited)
Joel Nestler
饰：Little Boy Spectator (uncredited)
David Newell
饰：Spectator (uncredited)
Eric Nielsen
饰：Little Boy Spectator (uncredited)
Noralee Norman
饰：Little Girl Spectator (uncredited)
Judy Nugent
饰：Little Girl Spectator (uncredited)
艾德蒙·奥布莱恩
Edmond O'Brien
饰：Midway barker (uncredited)
Susan Odin
饰：Little Girl Spectator (uncredited)
Sammy Ogg
饰：Little Boy Spectator (uncredited)
Ruth Packard
Ruth Packard
饰：Spectator (uncredited)
John Parrish
John Parrish
饰：Jack Lawson (uncredited)
Luce Potter
饰：Midget (uncredited)
Hugh Prosser
饰：Hugh (uncredited)
Harry Raven
Harry Raven
饰：Circus Man (uncredited)
凯斯·理查德
Keith Richards
饰：Keith - Circus attendant (uncredited)
William J. Riley
饰：Policeman (uncredited)
Peter Roman
饰：Little Boy Spectator (uncredited)
安杰洛·罗西托
Angelo Rossitto
饰：Midget (uncredited)
William Ruhl
饰：Circus Barker (uncredited)
Robert W. Rushing
饰：Policeman (uncredited)
Syd Saylor
饰：Circus Barker (uncredited)
奎妮·史密斯
Queenie Smith
饰：Spectator (uncredited)
Bob Stevenson
Bob Stevenson
饰：Spectator (uncredited)
Tony Taylor
饰：Little Boy Spectator (uncredited)
Roland Tiebor
饰：Himself (sea lion trainer) (uncredited)
Stuart Torres
饰：Little Boy Spectator (uncredited)
Dorothy Varden
饰：Spectator (uncredited)
Judith Ann Vroom
饰：Little Girl Spectator (uncredited)
Wally Walker
饰：Spectator (uncredited)
贝弗莉·沃什伯恩
Beverly Washburn
饰：Little Girl Spectator (uncredited)
Kay Wiley
Kay Wiley
饰：Spectator (uncredited)
Robin Winans
饰：Little Boy Spectator (uncredited)
Alberto Zoppe
饰：Himself (trick rider) (uncredited)
Lester Dorr
饰：Midway Game barker (uncredited)
Art Dupuis
饰：Spectator (uncredited)
黛西·厄尔斯
Daisy Earles
饰：Midget (uncredited)
贝丝·弗劳尔斯
Bess Flowers
饰：Spectator (uncredited)
凯瑟琳·弗里曼
Kathleen Freeman
饰：Spectator (uncredited)
大王
Joseph Granby
饰：Spectator (uncredited)
鲍勃·霍普
Bob Hope
饰：Spectator (uncredited)
Milton Kibbee
饰：Pickpocket Victim (uncredited)
John Merton
John Merton
饰：Chuck (uncredited)
拉尔夫·蒙哥马利
Ralph Montgomery
饰：Spectator (uncredited)
克拉伦斯·纳什
Clarence Nash
饰：Spectator (uncredited)
诺尔·妮尔
Noel Neill
饰：Noel (uncredited)
Robert St. Angelo
饰：Spectator (uncredited)
Dale Van Sickel
饰：Man in train wreck (uncredited)
Josephine Whittell
饰：Spectator (uncredited)
塞西尔·B·戴米尔
Cecil B. DeMille
饰：Narrator
柯纳·王尔德
Cornel Wilde
饰：The Great Sebastian
詹姆斯·史都华
James Stewart
饰：伯顿斯
Robert Carson
饰：马表领班
John Crawford
John Crawford
饰：马戏团助理Jack
Howard Negley
Howard Jack Negley
饰：卡车老板
Russell Saunders
饰：马戏团的人
Bobby Burns
饰：观众
Mary Field
饰：观众
Peter Hansen
Peter Hansen
饰：观众
Brad Johnson
饰：观众
Ottola Nesmith
饰：观众
Billy Snyder
饰：Bill Snyder,(as Bill Snyder)