John plays Man at the Hotel Banquet (uncredited)

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 (as Phil Roth)
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