Sarah Miles as Jennifer Blackwood

Stacy Keach as Matt Blackwood

Harris Yulin as John Blackwood

Harrison Ford as Mark Blackwood

Amy Irving as Amanda Blackwood

Granville Van Dusen as Creed Vauclose

Charles Weldon as Sam Adams

Gerrit Graham as Carver Blackwood

Stanley Bennett Clay as Young Sam

Tony Swartz as Harry Blackwood

John Carter as Benjamin McCullum

Stephanie Faulkner as Lucinda

Rayford Barnes as Majors

Sari Price as Margaret McCullum

Norbert Schiller as Ernst Schmidt

Ian Wolfe as Dr. Klauber

Guy Raymond as McHenry

Don Eitner as Ross

James Houghton as Alfred Brinkerhoff

J. Jay Saunders as Pelley

Brent Jones as Daughter Slate

William Challee as Plunkett

Francis De Sales as Reverend Wheatley

Mark Saegers as Artist

Wonderful Smith as Minister

Gary Lee Cooper as Child

Michelle Stacy as Child

Dennis Larson as Child

Peter Haas as Child

Brian Busta as Child

Debbie Fresh as Child

Michael Swan as Pilot (uncredited)