Tom Mankiewicz Director John Candy Jack Gable Actor Mariel Hemingway Janet Dubois, Louise Actor Emma Samms Rachel Hedison, Laura Claybourne Actor Raymond Burr Carter Hedison Actor Dylan Baker Blake Hedison Actor Charles Rocket Ty Hedison Actor David Rasche Dr. Paul Kirkwood, Dennis Actor Andrea Thompson Helen Caldwell Actor Zach Grenier Mickey Actor Jerry Orbach Lou Sherwood Actor Renee Taylor Arlene Sherwood Actor Robert Wagner Jack Gates Actor Lawrence J. Cohen Screenwriter, Producer Fred Freeman Screenwriter, Producer Doug Claybourne Producer Richard Donner Executive Producer Robert M. Stevens Cinematographer William D. Gordean Film Editing Tina Hirsch Film Editing Cliff Eidelman Original Music Angelo P. Graham Production Design James J. Murakami Art Director Cloudia Rebar Set Decoration Molly Maginnis Costume Design David Rubin Casting