<P> After the narrow escape, Sonu, Titu, Ghasitaram and Lalu are seen sitting and drinking by the pool . </P> <Ul> <Li> Kartik Aaryan as Sonu Sharma (Titu's best friend) </Li> <Li> Sunny Singh as Titu Sharma (Sonu's best friend) </Li> <Li> Nushrat Bharucha as Sweety Sharma (Titu's fiancee) </Li> <Li> Alok Nath as Ghasitaram Sharma (Titu's grandfather) </Li> <Li> Madhumalti Kapoor as Titu's grandmother </Li> <Li> Ishita Raj Sharma as Pihu (Titu's ex-girlfriend) (Special Appeareance) </Li> <Li> Deepika Amin as Renu Sharma (Sweety's mother) </Li> <Li> Rajesh Jais as Sweety's father </Li> <Li> Ayesha Raza Mishra as Titu's mother </Li> <Li> Virendra Saxena as Lalu Kaka (Titu's grandmother's brother) </Li> <Li> Pawan Chopra as Titu's father </Li> <Li> Pritam Jaiswal as Babu </Li> <Li> Sonalli Sehgall as Special appearance </Li> <Li> Sakshi Malik as Special appearance in Bom Diggy Song </Li> </Ul> <Li> Kartik Aaryan as Sonu Sharma (Titu's best friend) </Li> <Li> Sunny Singh as Titu Sharma (Sonu's best friend) </Li>

Who was sonu in sonu ke titu ki sweety
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