Dudley Moore as George Webber

Julie Andrews as Samantha Taylor

Bo Derek as Jenny Hanley

Robert Webber as Hugh

Dee Wallace as Mary Lewis

Sam J. Jones as David Hanley

Brian Dennehy as Donald

Max Showalter as Reverend

Rad Daly as Josh Taylor

Nedra Volz as Mrs. Kissell

James Noble as Dr. Miles

Virginia Kiser as Ethel Miles

John Hawker as Covington

Deborah Rush as Dental assistant

Don Calfa as Neighbor

Walter George Alton as Larry

John Hancock as Dr. Croce

Lorry Goldman as Bernie Kaufman

Arthur Rosenberg as Pharmacist

Mari Gorman as Coffee Shop Waitress

Marcy Hanson as Magazine Reader in Coffee Shop

Herb Tanney as

Kitty de Carlo as Saleswoman

Bill Lucking as Policeman

Owen Sullivan as

Deborah White as

Laurence Carr as

Camila Ashland as

Burke Byrnes as

Doug Sheehan as

J. Víctor López as

Jon Linton as

John Chappell as Man on Beach

Art Kassul as Large Man

Julie Alter as Party Guest

Adam Anderson as Party Guest

Jeannetta Arnette as Party Guest

Adrian Aron as Party Guest

Gail Bowman as Party Guest

Sheila Cassidy as Party Guest

Michael Champion as Party Guest

Gregory Chase as Party Guest

Lisa Chess as Party Guest

Ellen Clark as Party Guest

S. Colombatto as Party Guest

Antonia Ellis as Party Guest

Lynn Farrell as Party Guest

Vivian Farren as Party Guest

Yolanda Galardo as Party Guest

Sharri Zak as Party Guest

Jesse Adams as Party Guest (uncredited)

Gary Bohn as Stage Actor (uncredited)

Chris Cassidy as Party Guest (uncredited)

Denise Crosby as Party Guest (uncredited)

Paul DeCeglie as Stage Actor (uncredited)

Laura Gile as Restaurant Patron (uncredited)

Jamie Gillis as Party Guest (uncredited)

George Golden as Wedding Guest (uncredited)

Phaedra Grant as Party Guest (uncredited)

Blair Harris as Party Guest (uncredited)

Annette Haven as Party Guest (uncredited)

Bonnie Holiday as Party Guest (uncredited)

Jane Howard as Wedding Guest (uncredited)

Marlene Kisker as Restaurant Patron (uncredited)

Dorothy LeMay as Party Guest (uncredited)

Diane Livesey as Waitress (uncredited)

Saverio LoMedico as Stage Actor (uncredited)

Jon Martin as Party Guest (uncredited)

Constance Money as Pool Player (uncredited)

David Morris as Party Guest (uncredited)

Arnold Roberts as Diner Patron (uncredited)

Candida Royalle as Party Guest (uncredited)

John Seeman as Party Guest (uncredited)

Serena as Party Guest (uncredited)

Paul Van as Stage Actor (uncredited)

Desiree West as Party Guest (uncredited)

Michael Morrison as Party Guest (uncredited)