O-Kay for Sound
Cover of Danish pressbook
Directed by	Marcel Varnel
Written by	Bert Lee (play) R. P. Weston (play) Marriott Edgar Val Guest
Produced by	Edward Black
Starring	The Crazy Gang Fred Duprez Graham Moffatt Enid Stamp Taylor
Cinematography	Jack E. Cox
Edited by	R. E. Dearing
Music by	Louis Levy
Production company	Gainsborough Pictures
Distributed by	Gaumont British Distributors
Release date	22 April 1937
Running time	86 minutes
Country	United Kingdom
Language	English

O-Kay for Sound is a 1937 British comedy film directed by Marcel Varnel and starring the Crazy Gang troupe of comedians.^[1] After falling on hard times the members of the Crazy Gang are busking on the streets of London. However, they are hired as extras on a film set.^[2] After arriving at the studios they are mistaken for a group of potential investors and given free run of the studios, causing chaos.

The film was based on a stage work by Bert Lee and R. P. Weston.^[3] It was made at Islington Studios by Gainsborough Pictures, with sets designed by the art director Alex Vetchinsky.^[4]

Main cast

• Jimmy Nervo as Cecil
• Teddy Knox as Teddy
• Bud Flanagan as Bud
• Chesney Allen as Ches
• Charlie Naughton as Charlie
• Jimmy Gold as Jimmy
• Fred Duprez as Hyman Goldberger
• Enid Stamp-Taylor as Jill Smith, secretary
• Meinhart Maur as Guggenheimer
• Graham Moffatt as Albert, the page boy
• Patricia Bowman as Dancer
• Peter Dawson as Singer
• Jan Gotch as All-In Wrestler
• H. F. Maltby as John Rigby
• Louis Pergantes as All-In Wrestler
• The Sherman Fisher Girls as Dancers
• Louis Levy as Conductor