Brigid Tierney

饰：Rosie,15 episodes, 1997-2013, / ...

David Tyler

David Tyler

饰：Gym Teacher,1 episode, 2003,

Tyler Brody Stein

饰：Alan,4 episodes, 2002-2006, / ...

杰克琳·林茨基

Jaclyn Linetsky

饰：Caillou,13 episodes, 2000-2008,

Gilbert Lachance

饰：Papa de Caillou; Rexy,unknown episodes,

Sophie Faucher

饰：Grand-maman de Caillou (first few seasons), Narrator (French language version),unknown episodes,

霍莉·G·弗兰克尔

Holly G. Frankel

饰：Julie,2 episodes, 2004-2005,

娜塔莉·古帕尔

Nathalie Coupal

饰：Maman de Caillou (French language version),unknown episodes,

Louis Philippe Dandenault

饰：Rexy (newer seasons),unknown episodes,

Claudia

饰：Caillou (French language version),unknown episodes,

Evan Smirnow

饰：Cailette Singer,74 episodes, 1997-2003,

Merlee Shapiro

饰：Storyteller,58 episodes, 1997-2013, / ...

Bob Stutt

Bob Stutt

饰：Gilbert,34 episodes, 2000-2013,

Melissa Pirrera

饰：Sarah,28 episodes, 2000-2013, / ...

George Morris

George Morris

饰：Grandpa,21 episodes, 2000-2013, / ...

Pier Paquette

饰：Rexy,17 episodes, 2000-2013, / ...

Matt Ficner

饰：Teddy,14 episodes, 2000-2006,

Tim Gosley

Tim Gosley

饰：DeeDee,8 episodes, 2000-2013,

瓦妮萨·洛金斯

Vanessa Lengies

饰：Boy,3 episodes, 2000, / ...

Dallas Jokic

饰：Daniel,3 episodes, 2010,

杰西卡·卡多斯

Jessica Kardos

饰：Librarian,1 episode, 2000-2006,

阿尔·伯克

Al Burke

饰：Cailette Singer,1 episode, 1997,

Sannie Bovaird

饰：Caillou,1 episode, 2006,

雨果林·什维特·兰黛斯科

Hugolin Chevrette-Landesque

饰：Nounurs (French language version),unknown episodes,

Violette Chauveau

饰：Mousseline (Rosie); Clementine (French language version),unknown episodes,

Sophie Léger

饰：Sarah (French language version),unknown episodes,

Charlotte Bernard

Charlotte Bernard

饰：Dee-Dee (French language version),unknown episodes,

艾伦·大卫

Ellen David

饰：Miss Martin,61 episodes, 2000-2013,

Jennifer Seguin

Jennifer Seguin

饰：Caillou's Mom,58 episodes, 1997-2013, / ...

Pat Fry

饰：Caillou's Dad,55 episodes, 1997-2013, / ...

保利娜·利特尔

Pauline Little

饰：Grandma,22 episodes, 2000-2013, / ...

Al Gravelle

饰：Additional Voices,29 episodes, 1997-2004,

格雷姆·乔基奇

Graeme Jokic

饰：Leo,21 episodes, 2009-2010,

布林·麦考利

Bryn McAuley

饰：Caillou,15 episodes, 1997-2008,

Ryan Tilson

Ryan Tilson

饰：Leo,10 episodes, 2004-2013,

Cara Reynolds

饰：3 episodes, 2000

François Sasseville

François Sasseville

饰：Gilbert,1 episode, 2000-2006,

Maria Elena Heredia

Maria Elena Heredia

饰：Caillou's mom (Spanish dubbing),2 episodes, 2004,

迈克尔•卡洛兹

Michael Caloz

饰：Billy,1 episode, 1997,

海伦·金

Helen King

饰：Eye Doctor,1 episode, 2010,

Madeleine Arsenault

Madeleine Arsenault

饰：Narrator (first few seasons) (French language version),unknown episodes,

Diane Arcand

饰：Grand-maman de Caillou (newer seasons) (French language version),unknown episodes,