(written from a Production point of view)
Sasaki was a Korean war veteran who was honorably discharged in 1952. He then started to work as background actor in film and television productions and remained an actor for four decades between the 1950s and the 1980s. Among his earliest known work are background parts in the adventure Around the World in 80 Days (1956, with Benjie Bancroft, Al Cavens, Chuck Hicks, Shep Houghton, and Keye Luke), the drama The Hunters (1958), the drama Tokyo After Dark (1959, with Lawrence Dobkin), the comedy Don't Give Up the Ship (1959), and the television series Bronco (1959, with Joseph Mell).
Further film work includes the science fiction film Varan the Unbelievable (1962), the science fiction film Planet of the Apes (1968, with James Daly, Lou Wagner, Paul Lambert, Billy Curtis, Jerry Maren, Jane Ross, and Felix Silla), the comedy The Great Bank Robbery (1969, with John Anderson, Elisha Cook, John Fiedler, Bill Zuckert, Kenny Endoso, Benjie Bancroft, Al Cavens, Jack Perkins, and Arthur Tovey), the comedy House Calls (1978), the sport comedy The Bad News Bears Go to Japan (1978, with Gene LeBell and Jerry Maren), the comedy The Blues Brothers (1980, with Henry Gibson, Charles Napier, Eddy Donno, and James Avery), the comedy Modern Romance (1981, with Albert Henderson and Vic Toyota), the comedy Airplane II: The Sequel (1982, with William Shatner, John Hancock, Louis Giambalvo, Sam Anderson, Gary Faga, Bruce French, Marcy Lafferty, Louise Sorel, Earl Boen, Gregory Itzin, Danny Nero, John Paragon, Debra Dilley, and Ilona Wilson), the comedy Bachelor Party (1984, with John Bloom), the comedy Pee-wee's Big Adventure (1985, with Mark Holton, Diane Salinger, John Paragon, Faith Burton, and Clay Hodges) , the comedy Down and Out in Beverly Hills (1986, with Irene Tsu, Carolyn Allport, and Darryl Henriques), the comedy Planes, Trains & Automobiles (1987, with Michael McKean, Larry A. Hankin, Richard Herd, Bill Erwin, John Moio, Jimmie Booth, Bob Harks, and William Windom), and the comedy The Naked Gun: From the Files of Police Squad! (1988, with Ricardo Montalban, Raye Birk, Tiny Ron, Nicholas Worth, Lawrence Tierney, Mark Holton, Rick Seaman, Bruce Dobos, Joey Banks, and Joel Schultz).
Among his countless appearances in television series are episodes of Ironside (1969, with Barbara Anderson and Gene Lyons), Fantasy Island (1978, with Ricardo Montalban, Samantha Eggar, France Nuyen, and Harv Selsby), Battlestar Galactica (1979, with George Murdock), Hart to Hart (1979), From Here to Eternity (1980, with David Spielberg, Salome Jens, Warren Munson, and David LeBell), The Greatest American Hero (1981), Dynasty (1981, with Peter Mark Richman, Lloyd Haynes, Lee Bergere, and Benjie Bancroft, 1984 episode "The Secret" with Joan Collins, William O. Campbell, Dennis Howard, James Horan, Peter Paul Eastman, Juan De Villa, and Nick Trisko, 1985 episode "The Ball" with Joan Collins, William O. Campbell, Peter Paul Eastman, Juan De Villa, Tony Rocco, and Suzanne Lodge, 1985 episode "Circumstantial Evidence" with Joan Collins, William O. Campbell, Peter Paul Eastman, Suzanne Lodge, and Adrian Tafoya, 1986 episode "Masquerade" with Joan Collins, Suzanne Lodge, Peter Paul Eastman, and Devron Conrad, 1986 episode "The Trial: Part 1" with Joan Collins, Anthony Zerbe, Tricia O'Neil, Warren Munson, Bruce Dobos, Ray Petersen, and Peter Paul Eastman, and 1987, episode "A Love Remembered: Part 1" with Joan Collins and Clyde Kusatsu), Hill Street Blues (1981, with James B. Sikking, Barbara Bosson, Charles Hallahan, Gene Cross, Cassandra Foster, and Ilona Wilson), Manimal (1983, with Lloyd Kino, Nathan Jung, John Mahon, and Jeff Imada), Murder She Wrote (1985-1986, with Stephen Macht, Mitchell Ryan, Vic Tayback, Len Cariou, John Glover, Jim Painter, Tim O'Connor, Peter Mark Richman, Eugene Roche, and Matt Roe), The Colbys (1986 episode "Something Old, Something New" with Stephanie Beacham, Tracy Scoggins, Ricardo Montalban, Judson Scott, Ray Petersen, Tim McCormack, and Gene Poe), Falcon Crest (1983-1990, starring Robert Foxworth and with Walter Smith), and Matlock (1987, with Corbin Bernsen, Granville Van Dusen, Ann Gillespie, Larry Anderson, and Frank Collison).