What's Up, Doc?

Barbra Streisand

As Judy Maxwell

Ryan O'Neal

As Howard Bannister

Madeline Kahn

As Eunice Burns

Kenneth Mars

As Hugh Simon

Austin Pendleton

As Frederick Larrabee

Michael Murphy

As Mr. Smith

Philip Roth

As Mr. Jones

Sorrell Booke

As Harry

Stefan Gierasch

As Fritz

Mabel Albertson

As Mrs. Van Hoskins

Liam Dunn

As Judge Maxwell

John Hillerman

As Hotel Manager

George Morfogen

As Headwaiter

Graham Jarvis

As Bailiff

Randy Quaid

As Professor Hosquith

M. Emmet Walsh

As Arresting Officer

Kevin O'Neal

As Delivery Boy

Eleanor Zee

As Banquet Receptionist

Paul Condylis

As Room Service Waiter

Fred Scheiwiller

As Jewel Thief

Carl Saxe

As Jewel Thief

Jack Perkins

As Jewel Thief

Paul B. Kipilman

As Druggist

Gil Perkins

As Jones' Driver

Christa Lang

As Mrs. Hosquith

Stan Ross

As Musicologist

Peter Eastman

As Musicologist

Eric Brotherson

As Larrabee's Butler

Elaine Partnow

As Party Guest

George Burrafato

As Eunice's Cab Driver

Jerry Summers

As Smith's Cab Driver

Mark Thompson

As Airport Cab Driver

Don Bexley

As Skycap

Leonard Lookabaugh

As Painter on Roof

Candace Brownell

As Ticket Seller

Sean Morgan

As Banquet Official

Patricia O'Neal

As Lady on Plane

Joe Alfasa

As Waiter in Hall

Chuck Holison

As Pizza Cook

Cosmo Sardo

As Hotel Waiter (uncredited)

Sylvester Stallone

As Hotel Guest (uncredited)

Tom Anfinsen

As Musicologist (uncredited)