Barbra Streisand
Judy Maxwell
Ryan O'Neal
Howard Bannister
Madeline Kahn
Eunice Burns
Kenneth Mars
Hugh Simon
Austin Pendleton
Frederick Larrabee
Michael Murphy
Mr. Smith
Philip Roth
Mr. Jones
Sorrell Booke
Harry
Stefan Gierasch
Fritz
Mabel Albertson
Mrs. Van Hoskins
Liam Dunn
Judge Maxwell
John Hillerman
Hotel Manager
George Morfogen
Headwaiter
Graham Jarvis
Bailiff
Randy Quaid
Professor Hosquith
M. Emmet Walsh
Arresting Officer
Kevin O'Neal
Delivery Boy
Eleanor Zee
Banquet Receptionist
Paul Condylis
Room Service Waiter
Fred Scheiwiller
Jewel Thief
Carl Saxe
Jewel Thief
Jack Perkins
Jewel Thief
Paul B. Kipilman
Druggist
Gil Perkins
Jones' Driver
Christa Lang
Mrs. Hosquith
Stan Ross
Musicologist
Peter Eastman
Musicologist
Eric Brotherson
Larrabee's Butler
Elaine Partnow
Party Guest
George Burrafato
Eunice's Cab Driver
Jerry Summers
Smith's Cab Driver
Mark Thompson
Airport Cab Driver
Don Bexley
Skycap
Leonard Lookabaugh
Painter on Roof
Candace Brownell
Ticket Seller
Sean Morgan
Banquet Official
Patricia O'Neal
Lady on Plane
Joe Alfasa
Waiter in Hall
Chuck Holison
Pizza Cook
Cosmo Sardo
Hotel Waiter (uncredited)
Sylvester Stallone
Hotel Guest (uncredited)
Tom Anfinsen
Musicologist (uncredited)