Barbra Streisand
Judy Maxwell
Ryan O'Neal
Howard Bannister
Madeline Kahn
Eunice Burns
Austin Pendleton
Frederick Larrabee
Mabel Albertson
Mrs. Van Hoskins
John Hillerman
Hotel Manager
George Morfogen
Headwaiter
Randy Quaid
Professor Hosquith
M. Emmet Walsh
Arresting Officer
Eleanor Zee
Banquet Receptionist
Paul Condylis
Room Service Waiter
Fred Scheiwiller
Jewel Thief
Christa Lang
Mrs. Hosquith
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
Leonard Lookabaugh
Painter on Roof
Candace Brownell
Ticket Seller
Sean Morgan
Banquet Official
Patricia O'Neal
Lady on Plane
Cosmo Sardo
Hotel Waiter (uncredited)
Sylvester Stallone
Hotel Guest (uncredited)