Forgetting Sarah Marshall - Yoga - Deleted Scene. A deleted scene featuring Kristen Wigg. Jason Segel - Peter Bretter Kristen Bell - Sarah. Apr 27, - Why not try your hand at the Forgetting Sarah Marshall quiz too? Aldous and Peter ridicule Sarah's film about a killer phone, originally irked Kirsten Bell In the unrated cut, Kristen Wiig has a cameo role as a yoga instructor.