Kacha Thai Bistro, located in Walnut Creek, CA, offers a variety of Thai seafood dishes with options for vegans and vegetarians. The menu includes starters like Ahi Tuna Larb and Chicken Wings, along with Chef's Specials like Bangkok Rib and Beef Shish Kebab. The soups, such as Tom Kha and Tom Yum, are flavorful and comforting. Customers praise the delicious food and excellent service, with some noting the impressive cocktail selection. The ambiance is described as inviting, with a clean and attentive staff. While some dishes could be improved, overall, the experience at Kacha Thai Bistro is enjoyable. The menu is diverse, offering unique items not commonly found at other Thai restaurants. With accommodating options like delivery and takeout, Kacha Thai Bistro is a great choice for a satisfying meal.