Jane Fonda as Eileen Tyler

Rod Taylor as Mike Mitchell

Cliff Robertson as Adam Tyler

Robert Culp as Russ Wilson

Jo Morrow as Mona Harris

Jim Backus as Chief Pilot Drysdale

Peter Nero as Himself - at Club Nero

Rayford Barnes as Pilot Morgan (uncredited)

Al Beaudine as Club Patron (uncredited)

Ralph Brooks as Club Patron (uncredited)

Steve Carruthers as Maitre 'd (uncredited)

Sam Flint as Second Train Conductor (uncredited)

Sandra Giles as Mona's Sleeping Roommate (uncredited)

Jim Hutton as Man in Rowboat with Radio (uncredited)

Robert Locke Lorraine as Commuter (uncredited)

John Marlin as Waiter (uncredited)

Alvy Moore as Airport Ticket Clerk (uncredited)

Tony Regan as Club Patron (uncredited)

Teri Schwartz as Skater (uncredited)

Teru Shimada as Maitre 'd (uncredited)

Olan Soule as Man Getting on Bus Behind Eileen (uncredited)

Hal J. Todd as Airline doctor (uncredited)

Tracee Towers as Woman (uncredited)

Robert B. Williams as First Train Conductor (uncredited)

Paul Bradley as Maitre 'd (uncredited)