Professor Beware: Cast
Harold Lloyd
Prof. Dean Lambert
Phyllis Welch
Jane Van Buren
Raymond Walburn
Judge James G. Parkhouse Marshall
Lionel Stander
Jerry
William Frawley
Snoop Donlan
Thurston Hall
J.J. Van Buren
Cora Witherspoon
Mrs. Ophelia Pitts
Sterling Holloway
Rupert (the groom)
Mary Lawrence
The bride
Arthur Aylesworth
Gas Station Attendant in Desert
Irving Bacon
Painter
Bobby Barber
Handshaker - Paint-Brush Gag
Clara Blandick
Mrs. Green - Landlady
Billy Bletcher
Shoeshine Customer
Ward Bond
Motorcycle Cop
Wade Boteler
Officer in Court
Paul Bryar
Harry - Radio Patrolman
Eddy Chandler
Camp Boss
Spencer Charters
Sheriff Henry Sweatt
Heinie Conklin
Billboard Painter
Virginia Dabney
Woman Slapping a Brawler
Eddie Dew
Railroad Worker
Jack Dime
Dock Worker
James Donlan
Man Reported at Museum
Jim Farley
Fire Chief
Bud Geary
Van Buren Chauffeur
Etienne Girardot
Judge Henry
Huntley Gordon
Capell - Producer
Roger Gray
Brawler - Hand Gag
Kit Guard
Brawler
Frank Hagney
Sailor
Chuck Hamilton
Cop
Edward Hearn
Cop
Tom Herbert
Hobo
Harry Holman
Man Shaving on Boat
George Humbert
Restaurant Owner
Brandon Hurst
Charlile - Butler
Walter James
Man with New Hat
Kenner G. Kemp
Sailor
Bruce King
Neferus in Tableau
Leonid Kinskey
Tableau Director
Wright Kramer
Dr. Ellerson
Charles Lane
Joe - Photographer
Rex Lease
Reporter
Theodore Lorch
Railroad Worker
Montagu Love
Professor Schmutz
Matt McHugh
Divorced Man on Highway
Bruce Mitchell
Cop by Firetruck
Charles R. Moore
Bootblack
Frances Morris
Miss Perkins
Robert Emmett O'Connor
Cop at Estate
Eddie Parker
Detective
Jack Perry
Dock Worker (uncredited)
Dewey Robinson
Lemonade Stand Man
Constantine Romanoff
Bearded Man
Christian Rub
Gustave - Museum Attendant
Hector V. Sarno
Lawyer
Elaine Shepard
Anebi
Buster Slaven
Western Union Boy
Harry Tenbrook
Brawler
Ray Turner
Bootblack
Harry Tyler
Editor
Max Wagner
Chinatown Barker
William Wagner
Court Clerk
Nella Walker
Railroad Information Clerk
John Ward
Yacht Captain
Guy Wilkerson
Shoeshine Customer
Guinn 'Big Boy' Williams
Motorcycle Cop
Harry Wilson
Brawler
Robert Winkler
Minor Role
John Wray
Head Lawyer
Charlotte Wynters
Dorothy - Reporter
Duke York
Handshaker - Paint-Brush Gag