杰瑞德·莱托
Jared Joseph Leto
饰：Nemo Nobody adult,Nemo Nobody aged 118
萨拉·波莉
Sarah Polley
饰：Elise
黛安·克鲁格
Diane Kruger
饰：Anna,Anna #2
瑞斯·伊凡斯
Rhys Ifans
饰：Nemo's Father
托比·瑞格波
Toby Regbo
饰：Nemo age 16
丹尼尔·梅斯
Daniel Mays
饰：Young journalist
朱诺·坦普尔
Juno Temple
饰：Anna age 15
克莱尔·斯通
Clare Stone
饰：Elise age 15
切瑞拉·凯瑟莉
Chiara Caselli
饰：Beggar in the railway station
CinSyla Key
饰：(uncredited)
洛朗特·卡普洛托
Laurent Capelluto
饰：Man in black 1
阿兰·柯德勒
Allan Corduner
饰：Dr. Feldheim
迈克·里雷
Michael Riley
饰：Harry
范林丹
Linh Dan Pham
饰：Jean (as Linh-Dan Pham)
帕斯卡·杜奎奈
Pascal Duquenne
饰：Henry
雅克·范·多梅尔
Jaco van Dormael
饰：Unemployed Brazilian man
卡洛·麦斯罗尼
Carlo Mestroni
饰：Police officer
大卫·斯凯尔
David Schaal
饰：Thug 1
扬·哈梅内克
Jan Hammenecker
饰：(uncredited)
Sandrine Laroche
饰：(uncredited)
Didier De Neck
Didier De Neck
饰：(uncredited)
Tedd Dillon
Tedd Dillon
饰：Texan man
哈里·克莱文
Harry Cleven
饰：Man in black 2
Andrew Simms
Andrew Simms
饰：Showroom man
朱丽叶特·范·多梅尔
Juliette Van Dormael
饰：Angel of oblivion 2
Vito DeFilippo
Vito DeFilippo
饰：Shy man (as Vito De Filipo)
丽尼·帕克
Leni Parker
饰：Teacher
David Kennedy
David Kennedy
饰：Thug 2
Manfred Andrae
饰：Anna's neighbour
John Churchill
John Churchill
饰：Boy on slide
Alice van Dormael
饰：Angel of oblivion 1
克雷顿·尼姆罗
Clayton Nemrow
饰：(scenes deleted)
Bill Corday
Bill Corday
饰：(scenes deleted)
克里斯特尔·科尼尔
Christelle Cornil
饰：Coma nurse 1
丹尼尔·布罗克
Daniel Brochu
饰：Peter
Rob Burns
饰：(scenes deleted)
Vanya Rose
饰：(scenes deleted)
托马斯·伯恩
Thomas Byrne
饰：Nemo age 9
Katharina Pejcic
饰：Anna's daughter
Nicholas Beveney
Nicholas Beveney
饰：Black man at airport
Tanya Trombetta
饰：Anna's school friend
Pierre Chaves
饰：Hotel entrance guard
Anders Morris
饰：Noah
Noa De Costanzo
饰：Nemo age 5
塞尔日·拉里维埃尔
Serge Larivière
饰：Shoelace dealer
Emily Tilson
饰：Eve
Harold P. Manning
饰：TV host
Virginie Bordes
Virginie Bordes
饰：Continuity girl
Alexander Türk
饰：Anna's son
Thamea Winterfeld
饰：Young girl (uncredited)
Valentina Dolla
饰：Daughter at Station
本·曼斯费尔德
Ben Mansfield
饰：Stefano
娜塔莎·里特
Natasha Little
饰：Nemo's Mother
瓦伦提金·达恩斯
Valentijn Dhaenens
饰：Julian
Joel Cross
饰：Bubble Boy
Aaron Landt
饰：Anna & Nemo's son
Nenad Lucic
饰：Biker (uncredited)
奥黛丽·贾科米尼
Audrey Giacomini
饰：Jean age 15
Laura Brumagne
饰：Anna age 9
Roline Skehan
饰：Joyce
Nathan Boydell
饰：Paul
Vincent Dupont
饰：Michael
珍娜·惠勒-休斯
Jenna Wheeler-Hughes
饰：Showroom girl
Valérie-Marie Chadelaud
饰：Showroom woman
Stéphane Thiry
饰：Male nurse 1
Bruno Verstraete
饰：Male nurse 2
Melanie Doerr
饰：Texan woman
Talya Rubin
饰：Shy woman
Laura Van Hove
饰：Teenage girl
Jack Proudlove
饰：Teenage boy
马克·泽戈
Marc Zinga
饰：Gay man 1
马丁·斯威比
Martin Swabey
饰：Gay man 2
菲利普·戈杜
Philippe Godeau
饰：Golf player,Sad man
Sarah Gravel
Sarah Gravel
饰：Sad woman
John Canoe
饰：Mohawk man
Donna Jacobs
饰：Mohawk woman
Fujio Ishimaru
饰：Japanese gardener
Robin Carette
饰：Nemo 18 months old
Léa Thonus
饰：Elise age 9
Anaïs Van Belle
饰：Jean age 9
Hugo Harold-Harrison
饰：Pool instructor
西尔维·奥利维
Sylvie Olivé
饰：Family Mars' mother
Stéphane Taillasson
饰：Famly Mars' father
Jules Taillasson
饰：Family Mars' son
Charlotte 'Lola' Pauwels
饰：Stefano's girlfriend
Louise Sophia Engel
饰：Anna & Nemo's daughter
Tawny Andersen
饰：Coma nurse 2 (as Towny Andersen)
Christophe Beaucarne
饰：Villa owner
Jules Eerdekens
饰：Pool maintenance colleague 1
Philippe Levy
饰：Pool maintenance colleague 2
Renaud Alcalde
饰：Spaceship neighbour 1
Dominique Warnier
饰：Spaceship neighbour 1
Catherine Demaiffe
饰：Tender nurse
Josselin Moinet
饰：Morgue policeman
Nicolas Ross
饰：Anna & Peter's son
玛丽-伊芙·布瑞加德
Marie-Ève Beauregard
饰：Anna & Peter's daughter
Thi-Mai Nguyen
饰：Prehistoric pregnant woman
Dietmar Rüttiger
饰：(scenes deleted)
Brian Wrench
Brian Wrench
饰：(scenes deleted)
Michele Anne De May
饰：(scenes deleted)
Gaspard Pauwels
饰：(scenes deleted)
Aloise Duponcheel
饰：(scenes deleted)
Sam Jaramillo
饰：(scenes deleted)
Milo Bouquelle
饰：(scenes deleted)
Logan Mothanal
饰：(scenes deleted)
Victor Frolov
饰：Man in suite (uncredited)
哈罗德·曼宁
Harold Manning
林赛·布罗德
Lindsey Broad
饰：Celeste
Michèle-Anne De Mey
Michèle-Anne De Mey
饰：(scenes deleted)
Olivier Bony
Olivier Bony
饰：Desillusioned Man