Barry Newman character Dr. Frank Whitman
Susan Clark character Diana Brockhurst-Lautrec
Shelley Winters character Nurse Andrea Harper
Leslie Nielsen character Mayor William Dudley
James Franciscus character Jimbo
Ava Gardner character Maggie Grayson
Henry Fonda character Fire Chief Risley
Jonathan Welsh character Herman Stover
Hilary Farr character Mrs. Adams
Richard Donat character Captain Harrison Risley
Mavor Moore character John O'Brien
Donald Pilon character Dr. Matwick
Terry Haig character Terry James
Cec Linder character Councilman Paley
Ken James character Andrew
Jefferson Mappin character Beezer
Earl Pennington character Mr. Clark
Sonny Forbes character Tom
Bronwen Mantel character Sarah Watts
Janice Chaikelson character Debbie Watts
Steven Chaikelson character Gerald Watts
Murray Cruchley character Tony Miller
Jérôme Tiberghien character Fireman Waller
Mel Ryane character Nurse Florence Stoddard
Anthony Sherwood character Sam
John Friesen character Albert
Nancy Beatty character Mary Stover
Doug Smith character Attendant Franks
Maria De Aragon character Nurse (uncredited)
Emil Glassbourg character Doctor (uncredited)
