Song: "Can't Smile Without You"
Artist: Barry Manilow
Peak position on the Cashbox Singles chart: #2
Number of weeks on the Cashbox Singles chart: 20
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| February 4, 1978 | 74 | Can't Smile Without You | Barry Manilow | Arista 0305 |
| February 11, 1978 | 52 | Can't Smile Without You | Barry Manilow | Arista 0305 |
| February 18, 1978 | 40 | Can't Smile Without You | Barry Manilow | Arista 0305 |
| February 25, 1978 | 27 | Can't Smile Without You | Barry Manilow | Arista 0305 |
| March 4, 1978 | 17 | Can't Smile Without You | Barry Manilow | Arista 0305 |
| March 11, 1978 | 11 | Can't Smile Without You | Barry Manilow | Arista 0305 |
| March 18, 1978 | 7 | Can't Smile Without You | Barry Manilow | Arista 0305 |
| March 25, 1978 | 5 | Can't Smile Without You | Barry Manilow | Arista 0305 |
| April 1, 1978 | 2 | Can't Smile Without You | Barry Manilow | Arista 0305 |
| April 8, 1978 | 2 | Can't Smile Without You | Barry Manilow | Arista 0305 |
| April 15, 1978 | 2 | Can't Smile Without You | Barry Manilow | Arista 0305 |
| April 22, 1978 | 2 | Can't Smile Without You | Barry Manilow | Arista 0305 |
| April 29, 1978 | 3 | Can't Smile Without You | Barry Manilow | Arista 0305 |
| May 6, 1978 | 5 | Can't Smile Without You | Barry Manilow | Arista 0305 |
| May 13, 1978 | 7 | Can't Smile Without You | Barry Manilow | Arista 0305 |
| May 20, 1978 | 13 | Can't Smile Without You | Barry Manilow | Arista 0305 |
| May 27, 1978 | 25 | Can't Smile Without You | Barry Manilow | Arista 0305 |
| June 3, 1978 | 38 | Can't Smile Without You | Barry Manilow | Arista 0305 |
| June 10, 1978 | 53 | Can't Smile Without You | Barry Manilow | Arista 0305 |
| June 17, 1978 | 98 | Can't Smile Without You | Barry Manilow | Arista 0305 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.