Without Meyer, No Celebration is Complete (German: Keine Feier ohne Meyer) is a 1931 German comedy film directed by Carl Boese and starring Sig Arno, Ralph Arthur Roberts and Dina Gralla. Boese made a number of films featuring Jewish comedians during the Weimar Era.
Can we infer the following?
Ralph Arthur Roberts is an actor

Available options:
[1]. Yes;
[2]. It's impossible to say;
[3]. No;
The answer is:
[1].