大卫·休莱特

David Hewlett

饰：Leon

辛西娅·普雷斯顿

Cynthia Preston

饰：Ursula (as Cyndy Preston)

特里·奥奎因

Terry O'Quinn

饰：Dr. Linden

布朗温·曼特尔

Bronwen Mantel

饰：Mrs. Linden

约翰·派珀-弗格森

John Pyper-Ferguson

饰：Stan Fraker (as John Ferguson)

海伦妮·尤迪

Helene Udy

饰：Marcia Bateman

Patricia Collins

饰：Aunt Dorothy

Steven Bednarski

Steven Bednarski

饰：Leon...Age 13

Katie Shingler

Katie Shingler

饰：Ursula...Age 11

雅各布·提尔尼

Jacob Tierney

饰：Leon, age 7

Michelle Anderson

饰：Ursula...Age 5

Joan Austen

饰：Nurse Spalding

James Stern

James Stern

饰：Eddie Morris

David Gow

David Gow

饰：Officer Wilson

Terrence Labrosse

Terrence Labrosse

饰：Dr. Bell

Aline Vandrine

Aline Vandrine

饰：Mrs. Shaver

Joanna Noyes

Joanna Noyes

饰：Mrs. Henry

Andrew Carter

Andrew Carter

饰：Andy

莱夫·安德松

Leif Anderson

饰：Dave

Joel Johnson

Joel Johnson

饰：Jack

Shawn Johnson

Shawn Johnson

饰：Tim

Robin MacEachern

饰：Richie

James Quon

James Quon

饰：Boy

Jeremy Slaney

Jeremy Slaney

饰：Boy

Adrian Knight

Adrian Knight

饰：Student

Alan Mozes

Alan Mozes

饰：Student

Marty Finkelstein

饰：Teenager

布鲁斯·拉姆塞

Bruce Ramsay

饰：Teenager

乔纳森·班克斯

Jonathan R. Banks

饰：PIN

Jamie Stern

饰：Eddie Morris

乔纳森·班克斯

Jonathan R. Banks