He appeared in over 50 films , including leading roles in `` The Time Machine '' , `` Seven Seas to Calais '' , `` The Birds '' , `` Sunday in New York '' , `` Young Cassidy '' , `` Dark of the Sun '' , `` The Liquidator '' , `` Darker Than Amber '' , and `` The Train Robbers '' .
He appeared in over 50 movies , including leading roles in `` The Time Machine '' , `` Seven Seas to Calais '' , `` The Birds '' , `` Sunday in New York '' , `` Young Cassidy '' , `` Dark of the Sun '' , `` The Liquidator '' , and `` The Train Robbers '' .