Efrem Zimbalist Jr. as Paul Radford

Shelley Winters as Sarah Garnell

Jane Fonda as Kathleen Barclay

Claire Bloom as Naomi Shields

Glynis Johns as Teresa Harnish

Ray Danton as Fred Linden

Ty Hardin as Ed Kraski

Andrew Duggan as Dr. George C. Chapman

John Dehner as Geoffrey Harnish

Harold J. Stone as Frank Garnell

Corey Allen as Walsh Dillon

Jennifer Howard as Grace Waterton

Cloris Leachman as Miss Selby

Chad Everett as Bob Jensen

Henry Daniell as Dr. Jonas

Hope Cameron as Ruth Linden

Roy Roberts as Alan Roby

Evan Thompson as Cass Kelly

Walter Bacon as Party Guest (uncredited)

John Baer as Boy Barclay (uncredited)

Bill Baldwin as Television Baseball Announcer (voice) (uncredited)

Fern Barry as Cook (uncredited)

Michael Bell as Little Theatre Apprentice (uncredited)

Fred C. Blau Jr. as Teenager (uncredited)

Elizabeth Camp as Clubwoman (uncredited)

Steve Clinton as Beach Football Player (uncredited)

Samuel Colt as Reporter (uncredited)

Alex Cord as Bardelli (uncredited)

Blythe Daley as Woman (uncredited)

Ray Dannis as Little Theatre Apprentice (uncredited)

Roy Dean as Jack (uncredited)

Jack Ellena as Beach Football Player (uncredited)

Ray Foster as Musician (uncredited)

Zack Foster as Little Theatre Apprentice (uncredited)

Patsy Garrett as Older Married Woman (uncredited)

H.W. Gim as Gardner (uncredited)

Norman Grabowski as Beach Football Player (uncredited)

Pamela Grey as Little Theatre Apprentice (uncredited)

Stuart Hall as Guest (uncredited)

Jimmie Horan as Party Guest (uncredited)

William Hummer as Johnny Dillon (uncredited)

Mikki Jamison as Little Theatre Apprentice (uncredited)

Dennis King Jr. as Reporter (uncredited)

Jack Littlefield as Musician (uncredited)

Dorothy Love as Mrs. Simmons (uncredited)

Charles Morton as Bartender (uncredited)

Patricia Olson as Guest (uncredited)

Rita Royce as Woman (uncredited)

Wendy Russell as Reporter (uncredited)

Bert Stevens as Party Guest (uncredited)

Arthur Tovey as Pianist (uncredited)

Dave Ward as Man (uncredited)

Robin Warga as Sarah's Son (uncredited)

Lesley Ann Warren as Sarah's Daughter (uncredited)