from typing import Dict, List, Union, Any

def get_values(search_hits: Union[Dict[Any, Any], List[Any]], search_key: str) -> List:

    results = []

    def extract(data: Union[Dict[Any, Any], List[Any]]):

        if isinstance(data, dict):

            for key, value in data.items():

                if key == search_key:

                    results.append(value)

                extract(value)

        elif isinstance(data, list):

            for item in data:

                extract(item)

    extract(search_hits)

    return results