比利·斯洛特
Billy Slaughter
饰：Runner #1
马丽娅豪厄尔
Maria Howell
饰：Kate
兰斯·E·尼克尔斯
Lance E. Nichols
饰：Dr. Brown
Joe Nemmers
饰：Ron Perelman
罗达·格里菲丝
Rhoda Griffis
饰：Bindy Hawn
Natalie Nicole
Natalie Nicole
饰：Breast cancer Survivor
詹妮佛·库里奇
Jennifer Coolidge
饰：Tish
Kim Wall
饰：Marci
布鲁斯·麦金农
Bruce McKinnon
饰：Dean Bradfield
康纳·希尔
Connor Hill
饰：Young Sam
约翰·本杰明·海基
John Benjamin Hickey
饰：Blake Rogers
Barbara Balentine
Barbara Balentine
饰：Cancer patient (uncredited)
Julia Adams
饰：Jogger (uncredited)
杰拉尔丁·格伦
Geraldine Glenn
饰：Former patient
Allen Boudreaux
Allen Boudreaux
饰：Executive (uncredited)
劳丽·李
Laurie Lee
饰：Cancer Patient,Hospital Visitor,Cancer Walk Participant (uncredi
Travis Davis
饰：Andy Marks
坦米·布兰查德
Tammy Blanchard
饰：Nicole Wilson
伯纳德塔·彼特斯
Bernadette Peters
饰：Barbara
格里夫·弗斯特
Griff Furst
饰：Charlie Wilson
迈克尔·沃兹尼亚克
Michael Wozniak
饰：Businessman
杰伊·奥利弗
Jay Oliver
饰：Lab Tech (uncredited)
杰姆斯·赫伯特
James Hebert
饰：The Groom
辛西亚·勒布朗
Cynthia LeBlanc
饰：Track and Field spectator
埃尔顿·勒布朗
Elton LeBlanc
饰：Limo Chauffeur
Russell M. Haeuser
饰：Hospital Maintence worker (uncredited)
查兹·史密斯
Chaz Smith
饰：Lab technician (uncredited)
莎娜·福斯塔尔
Shanna Forrestall
饰：Runner # 2
Elliott Grey
Elliott Grey
饰：Board Member (uncredited)
埃米·马迪根
Amy Madigan
饰：Fran Visco
斯薇兹·昆茨
Swoosie Kurtz
饰：Elizabeth
雷吉娜·金
Regina King
饰：Ellie Jackson
小哈利·康尼克
Harry Connick.Jr.
饰：Denny Slamon
威廉·罗格斯戴尔
William Ragsdale
饰：Andy Marks
路易斯·赫特哈姆
Louis Herthum
饰：Dr. Banks
安吉·哈蒙
Angie Harmon
饰：Lilly Tartikoff
梅丽莎·麦克布莱德
Melissa McBride
饰：Sally (as Melissa McBride)
杰克逊·赫斯特
Jackson Hurst
饰：Josh
阿曼达·贝尼斯
Amanda Bynes
饰：Jamie
保拉·凯奥
Paula Cale
饰：Donna
Natasha "Sasha" Angelety
饰：Graduate School Student
Seth Kozak
饰：Peter Hawn
Naima Imani Lett
Naima Imani Lett
饰：Nurse Carol
Andrew Matthews
Andrew Matthews
饰：Darrin Bradfield
Antoine Spillers
Antoine Spillers
饰：U.C.L.A Student (uncredited)
伊万·加姆贝尔
Evan Gamble
饰：Peter Wilson
Austin Lux
饰：Matt Slamon, age 9
Ben Lux
Ben Lux
饰：Matt Slamon age 7
Abby Rao
Abby Rao
饰：Joey Lyn
Dawna Williams
Dawna Williams
饰：Cancer Survivor
Corey Stewart
饰：College Student (uncredited)
Scott Schlueter
Scott Schlueter
饰：Delivery Guy,Lab Tech (uncredited)
Lonnie Schaffer
Lonnie Schaffer
饰：Cancer patient
杰里米·埃文·克尔
Jeremy Evan Kerr
饰：Waiter
托弗·琼斯
Topher Jones
饰：College Student (uncredited)
Jeremy Dean Turner
Jeremy Dean Turner
饰：Restaurant Patron,Fire and Ice attendee (uncredited)
Victor Hugo Palacios
Victor Hugo Palacios
饰：U.C.L.A. Student (uncredited)
Heather A. Allen
饰：Jogger (uncredited)
Sam Richardson
Sam Richardson
饰：Matt Slamon age 4
Rob Salvador
Rob Salvador
饰：College Student
Tyler Case
Tyler Case
饰：Young Sam
Sophia Watson
饰：Joey Lyn Slamon - age 7
Cooper Cason
Cooper Cason
饰：Sam
洛根·道格拉斯·史密斯
Logan Douglas Smith
饰：Surgeon (uncredited)
加勒特·阿兰
Garrett Allain
饰：Nurse (uncredited)
汤姆·诺维茨基
Tom Nowicki
饰：Carl Reinhardt
Lynette Zumo
饰：Breast Cancer Survivor
Holly Ladnier
饰：Red Carpet Photographer (uncredited)
Elizabeth Tranchant
饰：Laboratory Technician
Codie Scott
Codie Scott
饰：Dinning Husband (uncredited)
Joanna Doherty
饰：Diner (uncredited)
J·帕特里克·麦克纳马拉
J. Patrick McNamara
饰：Dr. Rice
Debby Gaudet
饰：Laboratory Technician (uncredited)
布兰顿·史密斯
Brandon Smith
饰：Pharmacy Board Member
Vianca Johnson
Vianca Johnson
饰：College Student (uncredited)
Daniel Woods
Daniel Woods
饰：Waiter (uncredited)
Rhonda Huete
Rhonda Huete
饰：Track and Field Spectator (uncredited)
Sarah J. Thompson
Sarah J. Thompson
饰：Student (uncredited)
Sean M. Sellers
饰：Bartender (uncredited)
Rose Lamarche
Rose Lamarche
饰：Hospital Patient (uncredited)
Dane Brown
Dane Brown
饰：Doctor (uncredited)
Joshua Wells
Joshua Wells
饰：Medical Intern
Jessica Lucas
Jessica Lucas
饰：Runner #3
Angela Kozak
饰：Restaurant Patron (uncredited)
楚蒂·斯泰勒
Trudie Styler
饰：Tina
詹姆斯·兰德里·赫伯特
James Hebert
Garrett A. Lain
Naima Lett
饰：(as Naima Imani Lett)