"Motorboat Mamas is a silent comedy short."
Billy Bevan
as Billy Bender
Alma Bennett
as 1st Cabaret Entertainer
Vernon Dent
as Charley Whalen
Carmelita Geraghty
as 2nd Cabaret Entertainer
Barbara Tennant
as Mrs. Whalen
Sunshine Hart
as Mother-in-Law
Louise Carver
as Madame Offskey
William McCall
as Cabaret Maitre D'
George Gray
as Mischievous Cabaret Reveller
Barney Hellum
as Mischievous Cabaret Reveller's Pal / Farmer Rube Obelfinger
Irving Bacon
as Cafe Patron
Jimmy Hertz
as Ship Captain
Billy Gilbert
as Boat Officer
Minette Grosse
as Cafe Entertainer
Carole Lombard
as Automobile Passenger (uncredited)
Donald Woods
as Yacht Club Patron (uncredited)
Betty Amann
as Catalina Cafe Patron
Eleanor Black
as Cigarette Girl
Cecelia Cameron
as
Joe Allen
Jack Carlyle
James Conaty
Frank Crayne
Douglas Dale
William Davis
as Yacht Club Patron / Waiter
Hazel Delmar
Gene Douglas
Bob Erickson
Jack Eshbaugh
Cecille Evans
Dot Farley
as Automobile Passenger
Jimmy Fortier
Clem Fuller
Peggy Gaddis
Gertrude Garrett
Greta Granstedt
Doris Hamilton
as Yacht Club Patron
Jules Hanft
Bill Howell
Ray Jones
H. Joseph
Malcolm Letts
Gordon Lewis
as Sailor at Yacht Club
Joy Lind
Helen Louise
Frank Mason
Lucille McNames
Harold McNulty
Kitty Menge
Marie Messinger
Eleanor Moore
Pat Moyer
Jack Murphy
Iris Nicholson
Esther Pressman
Alice Pritchard
Wandra Ramsey
Marguerite Rimkus
Ronald R. Rondell
Art Rowlands
as Cafe Patron with Monocle / Waiter
Thelma Salter
Marjorie Sonneborn
Henry Springle
Mary Stewart
Ted Stroback
as Sailor
Elsie Tarron
Orvis Thomas
as Cafe Patron / Yacht Club Patron
Cortland Van Astor
Pauline Wallace
Kathryn Wessling
Leota Winters
Bert Young
Harry Edwards
Director
Phil Whitman
Bennett Cohen
Writer
Jefferson Moffitt
Earle Rodney
Mack Sennett
Producer
Lee Davis
Director of Photography
George Unholz
William Williams
Cinematography
Chris Withrow
William Hornbeck
Editor
Madame Violette
Costume Design
John A. Waldron
Production Supervisor
Glenn DeVol
Assistant Director
Babe Stafford