John Lithgow

George Henderson

Melinda Dillon

Nancy Henderson

Margaret Langrick

Sarah Henderson

Joshua Rudoy

Ernie Henderson

Kevin Peter Hall

Harry

David Suchet

Jacques Lafleur

Lainie Kazan

Irene Moffitt

Don Ameche

Dr. Wallace Wrightwood

M. Emmet Walsh

George Henderson Sr.

Laura Kenny

'Mouse' Woman

Chuck McCollum

Guard

William Dear

Sighting Man

Laurie O'Brien

Screaming Woman

Connie Craig

Press Woman #2

Debbie Lee Carrington

Little Bigfoot

John Bloom

Feet

Fred Newman

Harry (voice)

William Frankfather

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